CN216280191U - Photographic fixation clamp and photographic equipment - Google Patents

Abstract

The utility model discloses a photographic fixing clamp and photographic equipment, wherein the photographic fixing clamp comprises a cross beam and two clamping arms, the two clamping arms are detachably arranged on the cross beam, the two clamping arms are distributed along the length direction of the cross beam, a clamping space is formed between the two clamping arms, and at least one clamping arm is arranged in a sliding manner along the length direction of the cross beam; and the clamping arm arranged in a sliding manner on the cross beam is provided with a limiting assembly, and the limiting assembly adjusts the relative position of the clamping arm to the cross beam to switch between a fixed state and a movable state. According to the technical scheme, when the camera fixing clamp is stored and carried, the two clamping arms can be detached from the cross beam, so that the camera fixing clamp is detached into a plurality of independent parts to be stored and carried, and compared with the storage and carrying of the whole camera fixing clamp in an assembled state, the occupied space is greatly reduced, and the camera fixing clamp is more convenient to carry.

Description

Photographic fixation clamp and photographic equipment

Technical Field

The utility model relates to the field of photographic equipment, in particular to a photographic fixing clamp and photographic equipment.

Background

At present, a photographic fixing clamp is an essential accessory in a plurality of photographic shooting scenes, and when shooting, a camera is installed on the photographic fixing clamp which is clamped on a clamped object. The overall structure of the existing photographic fixing clamp is generally F-shaped, the structural size is large, and the existing photographic fixing clamp is very inconvenient to store and carry.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a photographic fixing clamp, aiming at solving the problem that the photographic fixing clamp is very inconvenient to store and carry.

In order to achieve the purpose, the photographic fixing clamp provided by the utility model comprises a cross beam and two clamping arms, wherein the two clamping arms are detachably arranged on the cross beam, the two clamping arms are distributed along the length direction of the cross beam, a clamping space is formed between the two clamping arms, and at least one clamping arm is arranged in a sliding manner along the length direction of the cross beam; and the clamping arm which is arranged on the cross beam in a sliding manner is provided with a limiting component which is used for adjusting the clamping arm to be opposite to the cross beam and switching between a fixed state and a movable state.

Preferably, the two clamping arms are arranged along the length direction of the cross beam in a sliding mode.

Preferably, a first sliding structure is arranged on the cross beam, a second sliding structure is arranged at the top end of the clamping arm, and the first sliding structure is in sliding fit with the second sliding structure.

Preferably, the clamping arm includes a main arm, the first sliding structure is a sliding rail disposed along a length direction of the cross beam, the second sliding structure is a sliding groove disposed on an end surface of a top end of the main arm, flanges are disposed on two sides of the sliding rail, the sliding groove is sleeved on the sliding rail, and two sides of a notch of the sliding groove are respectively hung on the flanges on two sides of the sliding rail.

Preferably, the bottom surface of the sliding groove is provided with a mounting groove, and the limiting component comprises a supporting block arranged in the mounting groove and an adjusting component used for adjusting the lifting of the supporting block in the mounting groove.

Preferably, the bottom surface of the mounting groove is provided with a mounting hole, the outer wall of the main arm is provided with a strip-shaped groove arranged along the length direction of the mounting hole, and the strip-shaped groove is communicated with the mounting hole; the adjusting assembly comprises a connecting column, a first elastic piece and a first adjusting rod, the first elastic piece and the connecting column are sequentially arranged in the mounting hole, one end of the connecting column abuts against the first elastic piece, and the other end of the connecting column is connected with the abutting block; one end of the first adjusting rod penetrates through the strip-shaped groove and is connected with the connecting column, and the other end of the first adjusting rod is located outside the strip-shaped groove.

Preferably, the bottom surface of the slide rail is a first rack surface with racks uniformly distributed along the length direction of the cross beam, and the top surface of the abutting block is a second rack surface engaged with the first rack surface.

Preferably, the clamping arm further comprises a side chuck, the side chuck is arranged on one side of the main arm facing the clamping space, and the side chuck is rotatably connected with the main arm through a damping assembly.

Preferably, the side chuck is provided with a through hole parallel to the slide rail, the inner wall of the through hole is provided with a step, the damping component comprises a shaft rod, a second elastic member and a damping gasket, a limiting convex edge is arranged on the outer peripheral wall of the first end of the shaft rod, the second end of the shaft rod penetrates through the through hole and is connected with the main arm, the damping gasket and the second elastic member are sleeved on the shaft rod, the damping gasket is located between the limiting convex edge and the step, the second elastic member is located between the step and the main arm, and the second elastic member abuts against the step.

Preferably, a mounting tube is arranged on one side of the main arm of at least one of the clamping arms, which faces away from the clamping space, a second adjusting rod 24 parallel to the slide rail is screwed in the mounting tube, a first end of the second adjusting rod 24 penetrates through the main arm, the side chuck is rotatably connected to a first end of the second adjusting rod 24, and a second end of the second adjusting rod 24 is connected to a first wrench.

Preferably, the clamping device further comprises a supporting arm arranged on the cross beam in a sliding mode, and the supporting arm is correspondingly located above the clamping space.

Preferably, the support arm includes slide, lifting slide and pushes down the chuck, slide detachably sliding sleeve is in on the crossbeam, be equipped with on the slide and be located crossbeam one side and bottom open-ended sleeve, sleeve adaptation cover is in on the lifting slide, be equipped with in the lifting slide with the third of lifting slide spiro union is adjusted the pole, the top of third regulation pole is run through telescopic top, the top of third regulation pole is connected with the second hank hand, it connects to push down the chuck the bottom of lifting slide.

Preferably, the pressing collet is rotatably connected to the lifting slider through a damping assembly.

Preferably, still including connecting the spout adaptor on the crossbeam, the spout adaptor dorsad one side of arm lock is installed and is increased pole or cloud platform.

The utility model also provides photographic equipment comprising the photographic fixing clamp.

According to the technical scheme of the photographic fixing clamp, the two clamping arms are detachably arranged on the cross beam, so that the two clamping arms can be detached from the cross beam when being stored and carried, the photographic fixing clamp is detached into a plurality of independent parts to be stored and carried, and compared with the storage and carrying of the whole photographic fixing clamp in an assembled state, the photographic fixing clamp has the advantages that the occupied space is greatly reduced, and the carrying is more convenient.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of a camera fixing clip according to the present invention;

figure 2 is an exploded view of one of the clamp arms of the embodiment of figure 1;

figure 3 is an exploded view of another clamp arm of the embodiment of figure 1;

figure 4 is an exploded view of the support arm of the embodiment of figure 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a photographic fixing clamp which is applied to various photographic equipment.

Referring to fig. 1, in the present embodiment, the photographic fixing clip includes a cross beam 10 and two clamping arms 20, the two clamping arms 20 are detachably disposed on the cross beam 10, the two clamping arms 20 are distributed along a length direction of the cross beam 10, a clamping space is formed between the two clamping arms 20, and at least one clamping arm 20 is slidably disposed along the length direction of the cross beam 10; the clamping arms 20 slidably disposed on the cross beam 10 are provided with a limiting assembly (not shown), and the limiting assembly is used for adjusting the clamping arms 20 to switch between a fixed state and a movable state relative to the cross beam 10.

In the use of the photographic fixing clamp of the embodiment, the operation process of clamping the clamped object is as follows: let by the clamping space of being pressed from both sides card income of the object of being pressed from both sides, through spacing subassembly with the arm lock 20 of sliding arrangement switch to the active condition, adjust and slide and set up one or two arm lock 20 and make two arm lock 20 be close to in order to press from both sides the object of being pressed from both sides, then adjust the arm lock 20 of sliding arrangement through spacing subassembly and switch to the fixed condition, make two arm lock 20 keep pressing from both sides the state of pressing from both sides the object of being pressed from both sides. The operation process of taking down the photographic fixing clip from the clipped object of the embodiment is as follows: the clamping arms 20 which are adjusted to slide through the limiting assemblies are switched to an active state, and the two clamping arms 20 are far away to release the clamped object by adjusting the clamping arms 20 which are adjusted to slide.

The photographic fixation clamp of this embodiment adopts two arm lock 20 detachably to set up on crossbeam 10, when accomodating and carrying, can dismantle two arm lock 20 from crossbeam 10, makes the photographic fixation clamp tear open into a plurality of solitary spare parts and accomodates and carry, compares and accomodates under the equipment state in whole photographic fixation clamp and carries, and occupation space reduces by a wide margin, and it is more convenient to carry.

Further, referring to fig. 1, in the present embodiment, two clamping arms 20 are slidably disposed along the length direction of the cross beam 10, so that the position and size of the clamping space of the photographic fixing clamp can be adjusted more flexibly.

Further, in this embodiment, the cross beam 10 is provided with a first sliding structure, the top end of the clamping arm 20 is provided with a second sliding structure, and the first sliding structure is in sliding fit with the second sliding structure. The sliding connection between the beam 10 and the clamping arm 20 adopts a sliding fit manner of a first sliding structure and a second sliding structure.

Further, referring to fig. 1 to 3, the clamping arm 20 of the present embodiment includes a main arm 21, the first sliding structure is a sliding rail 11 disposed along the length direction of the cross beam 10, the second sliding structure is a sliding groove 211 disposed on the end surface of the top end of the main arm 21, flanges are disposed on two sides of the sliding rail 11, the sliding groove 211 is sleeved on the sliding rail 11, and two sides of a notch of the sliding groove 211 are respectively hung on the flanges on two sides of the sliding rail 11. When the clamping arm 20 and the cross beam 10 of the embodiment are installed, the sliding groove 211 at the top end of the main arm 21 is sleeved into the sliding rail 11 from the end of the sliding rail 11, and similarly, only the sliding groove 211 at the top end of the main arm 21 is required to be slid out from the end of the sliding rail 11 during disassembly, so that the disassembly and the assembly are convenient.

In this embodiment, the first sliding structure is taken as the sliding rail 11, and the second sliding structure is taken as the matched sliding chute 211. It should be noted that, in other embodiments, the first sliding structure may be a sliding groove, and the second sliding structure may be a sliding rail; alternatively, the first and second sliding structures may be other sliding fit structures.

Further, referring to fig. 2 and 3, in this embodiment, an installation groove 212 is disposed on the bottom surface of the sliding groove 211, and the limiting component includes a supporting block 41 disposed in the installation groove 212, and an adjusting component for adjusting the supporting block 41 to ascend and descend in the installation groove 212. In this embodiment, the abutting block 41 is adjusted to ascend and descend in the mounting groove 212 by the adjusting component, when the abutting block 41 ascends to abut against the bottom surface of the slide rail 11, the main arm 21 and the slide rail 11 are relatively fixed, and the clamping arm 20 is in a fixed state; when the abutting block 41 descends to not abut against the bottom surface of the slide rail 11, the main arm 21 and the slide rail 11 can slide relatively, and the clamp arm 20 is in a movable state.

Further, referring to fig. 2 and 3, in the present embodiment, a mounting hole (not numbered) is formed in a bottom surface of the mounting groove 212, a strip-shaped groove 213 is formed in an outer wall of the main arm 21 and is disposed along a length direction of the mounting hole, and the strip-shaped groove 213 is communicated with the mounting hole; the adjusting component comprises a connecting column 42, a first elastic piece 43 and a first adjusting rod 44, the first elastic piece 43 and the connecting column 42 are sequentially arranged in the mounting hole, one end of the connecting column 42 abuts against the first elastic piece 43, and the other end of the connecting column 42 is connected with the abutting block 41; one end of the first adjusting rod 44 is inserted into the strip-shaped groove 213 and connected to the connecting column 42, and the other end is located outside the strip-shaped groove 213. One end of the first adjusting rod 44 can be fixed on the connecting column 42 for connection through insertion, and the other end of the first adjusting rod 44 can be connected with a knob or an end cover for convenient operation of a user. In this embodiment, the first elastic member 43 may be a spring, an elastic rubber block, or the like.

The adjusting component of this embodiment realizes the lifting adjustment of the abutting block 41 by: by pressing the other end of the first adjusting rod 44 downwards (i.e. towards the direction away from the cross beam 10), the first adjusting rod 44 pulls the connecting column 42 downwards into the mounting hole, so as to press the first elastic member 43, and the abutting block 41 descends in the mounting groove 212; by releasing the first adjusting rod 44, the first elastic member 43 rebounds upward to jack the connecting column 42 upward, and the holding block 41 rises in the mounting groove 212.

Further, in this embodiment, the bottom surface of the slide rail 11 adopts a first rack surface (not numbered) in which racks are uniformly distributed along the length direction of the cross beam 10, and the top surface of the abutting block 41 adopts a second rack surface 411 engaged with the first rack surface. Through the mode of first rack face and the meshing of second rack face 411, it is spacing fixed to the slip of spout 211 and slide rail 11, and is spacing more stable. The distance between the two clamping arms 20 can be slightly adjusted, the operation is simple and convenient, the adjustment gradient is small, and the locking and the fixing can be easily realized.

Of course, in other embodiments, the first rack face and the second rack face 411 may also replace other similar ways, such as a convex point face and a concave hole face.

Further, referring to fig. 2 and 3, in the present embodiment, the clamping arm 20 further includes a side chuck 22, the side chuck 22 is disposed on a side of the main arm 21 facing the clamping space, and the side chuck 22 is rotatably connected to the main arm 21 through a damping assembly, so that the side chuck 22 can rotate 360 ° relative to the clamping arm 20. When in use, the state of the side clamping head 22 can be rotationally adjusted according to the characteristics of the clamped object so as to better clamp the clamped object. And the side jaw 22 will maintain its current state without the application of outdoor force and will not rotate automatically due to the damping action of the damping assembly.

Further, referring to fig. 2 and 3, a through-shaft through hole 221 parallel to the slide rail 11 is formed in the side chuck 22, a step (not shown) is formed in an inner wall of the through-shaft through hole 221, the damping assembly includes a shaft rod 231, a second elastic member 2 and a damping washer 232, a limiting convex edge 2311 is formed on an outer peripheral wall of a first end of the shaft rod 231, a second end of the shaft rod 231 penetrates through the through-shaft through hole 221 to be connected with the main arm 21, the damping washer 232 and the second elastic member 2 are sleeved on the shaft rod 231, the damping washer 232 is located between the limiting convex edge 2311 and the step, the second elastic member 2 is located between the step and the main arm 21, and the second elastic member 2 abuts against the step. In this embodiment, the rotation of the side chuck 22 is performed with respect to the main arm 21 using the shaft 231 as a shaft; the shaft 231 generates a damping force to the rotation of the side cartridge 22 by the damping washer 232 clamped between the stopper rib 2311 and the step, so that the side cartridge 22 can be maintained in a rotated state after the rotation. The damping force provided by the damping washer 232 is determined by the elastic force of the second elastic member 2, and the larger the elastic force of the second elastic member 2 to the step is, the larger the damping force is. In this embodiment, the second elastic member 2 may be a spring or an elastic rubber sleeve. The shaft 231 and the main arm 21 may be connected in a rotating manner or in a fixed manner; for example, the shaft 231 may be rotatably connected to the main arm 21 by inserting the shaft 231 into a shaft hole of the main arm 21, providing an annular groove on an outer wall of one end inserted into the main arm 21, and providing a set screw perpendicular to the shaft 231 on the main arm 21 to be locked into the annular groove.

Further, referring to fig. 3, in this embodiment, a mounting tube 23 is disposed on a side of the main arm 21 of one of the clamping arms 20 facing away from the clamping space, a second adjusting rod 24 parallel to the slide rail 11 is screwed into the mounting tube 23, a first end of the second adjusting rod 24 penetrates through the main arm 21, the side clamp 22 is rotatably connected to a first end of the second adjusting rod 24, and a second end of the second adjusting rod 24 is connected to a first twisting handle 25. The second adjusting rod 24 and the mounting tube 23 are in threaded connection in the following manner: one end of the mounting pipe 23 close to the first wrench 25 is sleeved with a nut 26 fixed with the mounting pipe, and the threaded section of the second adjusting rod 24 is in threaded connection with the nut 26. In the drawings of the present embodiment, only one clamping arm 20 is provided with the mounting tube 23, and the other clamping arm 20 is not provided with the mounting tube 23, but in other embodiments, the two clamping arms 20 may be provided with the mounting tubes 23.

In this embodiment, the second adjusting lever 24 is rotated or unscrewed relative to the mounting tube 23 by rotating the first twisting handle 25 to rotate the second adjusting lever 24, so that the second adjusting lever 24 pushes the side chuck 22 away from the main arm 21 or pulls the side chuck 22 close to the main arm 21. In use, the positions of the two clamping arms 20 are adjusted to enable the side clamping heads 22 on the two clamping arms 20 to abut against an object to be clamped (a plane or a cylindrical surface or other shape structures), and then the first twisting hands 25 on the clamping arms 20 are screwed to push the side clamping heads 22 to extend out to clamp the object to be clamped.

Further, referring to fig. 1, the camera fixing clip of the present embodiment further includes a supporting arm 30 slidably disposed on the cross beam 10, and the supporting arm 30 is correspondingly disposed above the clipping space. When the clamping device is used, after the clamped object is clamped by the two side clamping heads 22, the supporting arm 30 is moved to be adjusted to the middle position of the two clamping arms 20, so that the supporting arm 30 is pressed on the clamped object, the third point supports the clamped object, the clamped object is further limited and fixed, and the fixing effect is more stable and reliable.

In this embodiment, referring to fig. 1 and 4 in combination, the supporting arm 30 includes a sliding seat 31, a lifting slider 32 and a pressing collet 33, the sliding seat 31 is detachably slidably sleeved on the beam 10, a sleeve 311 that is located on one side of the beam 10 and has an open bottom is disposed on the sliding seat 31, the sleeve 311 is fittingly sleeved on the lifting slider 32, a third adjusting rod 35 that is screwed with the lifting slider 32 is disposed in the lifting slider 32, the top end of the third adjusting rod 35 penetrates through the top end of the sleeve 311, the top end of the third adjusting rod 35 is connected with a second twisting handle 34, and the pressing collet 33 is connected to the bottom end of the lifting slider 32. By rotating the second twisting handle 34, the third adjusting rod 35 drives the lifting slide block 32 to descend in the sleeve 311, so that the downward pressing chuck 33 compresses the clamped object; by rotating the second handle 34, the third adjusting rod 35 drives the lifting slider 32 to lift in the sleeve 311, so as to release the clamped object.

Further, a hold-down collet 33 is rotatably coupled to the elevator slide 32 via a damping assembly. The push-down collet 33 is rotatably coupled to the elevator slide 32 such that the push-down collet 33 can rotate 360 ° with respect to the elevator slide 32. When the clamping device is used, the state of the pressing clamp 33 can be adjusted according to the characteristics of the clamped object in a rotating mode, so that the clamped object can be better pressed. And the lower pressure jaw 33 can maintain the current state without an outdoor force due to the damping action of the damping assembly, and cannot rotate automatically. For the specific structure of the damping component of the pressing chuck 33, reference may be made to the structure of the damping component in the side chuck 22, which is not described herein again.

Further, the photography fixing clip of the present embodiment further includes a sliding groove 211 adaptor 50 connected to the cross beam 10, and a heightening rod 60 is installed on a side of the sliding groove 211 adaptor 50 facing away from the clamping arm 20, although in other embodiments, the heightening rod 60 may be replaced by a pan/tilt head or other camera fixing accessories. When in use, the camera is mounted on the heightening rod 60 or the pan-tilt. Wherein, the sliding groove 211 adaptor 50 can adopt a 1885 sliding groove 211 adaptor.

In addition, 1/4, 3/8 screw holes are reserved on the beam 10, and other shooting auxiliary pieces or fall safety ropes can be installed in an expanded mode.

The use process of the photographic fixing clamp comprises the following steps: before the assembly, the photographic fixing clamp is assembled, the sliding seat 31 of the supporting arm 30 is sleeved on the cross beam 10, the first adjusting rod 44 is pulled down by fingers, the sliding grooves 211 of the two clamping arms 20 are sleeved on the sliding rails 11 of the cross beam 10, the first adjusting rod 44 is loosened, the abutting block 41 is jacked up under the action force of the first elastic piece 43, and the first rack face and the second rack face 411 are engaged and locked, namely the photographic fixing clamp is assembled.

When the clamping device is used, the states of the two side chucks 22 are adjusted by rotating according to the characteristics of a clamped object, the positions of the two clamping arms 20 are adjusted to enable the side chucks 22 of the two clamping arms 20 to be tightly abutted to the clamped object, then the side chucks 22 of the clamping arms 20 are pushed to clamp the clamped object by screwing the first twisting hand 25 on one clamping arm 20, then the supporting arm 30 is moved to adjust the middle position of the two clamping arms 20, the second twisting hand 34 on the supporting arm 30 is screwed by hand, and the pressing chuck 33 is pushed to press the clamped object to form a third point support, so that perfect fixation is realized.

In the assembling and fixing process, the assembling, fixing and disassembling of the photographic fixing clamp can be completed by one-hand operation, so that the photographic fixing clamp is very convenient and quick. And, the mode of three point support, the centre gripping stability is better. The two side chucks 22 and the pressing chuck 33 can be rotationally adjusted by 360 degrees, the application range is wider, and the clamping device can clamp planes, cylindrical surfaces, irregular surfaces and the like.

It should be noted that, when the present invention only adopts a scheme that one clamping arm 20 is slidably disposed along the length direction of the cross beam 10, and the other clamping arm 20 is detachably fixed on the cross beam 10, the fixedly disposed clamping arm 20 can adopt the same structure as the slidably disposed clamping arm 20 except that the part of the structure is not provided with the limiting component.

The present invention further provides a photographic apparatus, which includes a photographic fixing clip, and the specific structure of the photographic fixing clip refers to the above embodiments, and since the photographic apparatus adopts all the technical solutions of all the above embodiments, the photographic apparatus at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein.

The above description is only a part of or preferred embodiments of the present invention, and neither the text nor the drawings should be construed as limiting the scope of the present invention, and all equivalent structural changes, which are made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims (15)

1. A photographic fixing clamp is characterized by comprising a cross beam and two clamping arms, wherein the two clamping arms are detachably arranged on the cross beam, the two clamping arms are distributed along the length direction of the cross beam, a clamping space is formed between the two clamping arms, and at least one clamping arm is arranged in a sliding manner along the length direction of the cross beam; and the clamping arm which is arranged on the cross beam in a sliding manner is provided with a limiting component which is used for adjusting the clamping arm to be opposite to the cross beam and switching between a fixed state and a movable state.

2. The camera mounting clip of claim 1, wherein both of said clip arms are slidably disposed along a length of said beam.

3. The fixing clamp of claim 2, wherein the cross member has a first sliding structure, and the top end of the clamping arm has a second sliding structure, the first sliding structure and the second sliding structure being slidably engaged.

4. The fixing clamp according to claim 3, wherein the clamping arm includes a main arm, the first sliding structure is a sliding rail disposed along a length direction of the cross beam, the second sliding structure is a sliding groove disposed on a top end surface of the main arm, two sides of the sliding rail are provided with flanges, the sliding groove is sleeved on the sliding rail, and two sides of a notch of the sliding groove are respectively hung on the flanges on two sides of the sliding rail.

5. The fixing clamp of claim 4, wherein a mounting groove is formed on the bottom surface of the sliding groove, and the limiting component comprises a supporting block arranged in the mounting groove and an adjusting component for adjusting the supporting block to ascend and descend in the mounting groove.

6. The fixing clamp of claim 5, wherein the bottom surface of the mounting groove is provided with a mounting hole, the outer wall of the main arm is provided with a strip-shaped groove along the length direction of the mounting hole, and the strip-shaped groove is communicated with the mounting hole; the adjusting assembly comprises a connecting column, a first elastic piece and a first adjusting rod, the first elastic piece and the connecting column are sequentially arranged in the mounting hole, one end of the connecting column abuts against the first elastic piece, and the other end of the connecting column is connected with the abutting block; one end of the first adjusting rod penetrates through the strip-shaped groove and is connected with the connecting column, and the other end of the first adjusting rod is located outside the strip-shaped groove.

7. The fixing clamp of claim 5, wherein the bottom surface of the sliding rail is a first rack surface with racks uniformly distributed along the length direction of the beam, and the top surface of the supporting block is a second rack surface engaged with the first rack surface.

8. The clamp of any one of claims 4 to 7, further comprising a side collet disposed on a side of the main arm facing the clamping space, the side collet being rotatably coupled to the main arm by a damping assembly.

9. The fixing clamp according to claim 8, wherein the side clamp has a through hole parallel to the slide rail, the through hole has a step on an inner wall thereof, the damping assembly includes a shaft, a second elastic member and a damping washer, a limiting flange is disposed on an outer peripheral wall of a first end of the shaft, a second end of the shaft passes through the through hole and is connected to the main arm, the damping washer and the second elastic member are sleeved on the shaft, the damping washer is disposed between the limiting flange and the step, the second elastic member is disposed between the step and the main arm, and the second elastic member abuts against the step.

10. The fixing clamp of claim 8, wherein a mounting tube is provided on a side of the main arm of at least one of the clamping arms facing away from the clamping space, a second adjusting rod 24 parallel to the slide rail is screwed into the mounting tube, a first end of the second adjusting rod 24 penetrates through the main arm, the side clamp is rotatably connected to a first end of the second adjusting rod 24, and a second end of the second adjusting rod 24 is connected to a first wrench.

11. The camera fixing clip according to any one of claims 1 to 7, further comprising a support arm slidably disposed on the cross member, wherein the support arm is correspondingly located above the clamping space.

12. The photographic fixing clamp as claimed in claim 11, wherein the supporting arm includes a sliding base, a lifting slider and a pressing collet, the sliding base is detachably slidably sleeved on the beam, the sliding base is provided with a sleeve which is located on one side of the beam and has an open bottom, the sleeve is fittingly sleeved on the lifting slider, a third adjusting rod which is screwed with the lifting slider is arranged in the lifting slider, the top end of the third adjusting rod penetrates through the top end of the sleeve, the top end of the third adjusting rod is connected with a second twisting handle, and the pressing collet is connected to the bottom end of the lifting slider.

13. The photographic fixing clip of claim 12, wherein the hold-down collet is rotatably coupled to the elevator slide via a damping assembly.

14. The photographic fixing clip of any one of claims 1 to 7, further comprising a chute adaptor connected to the cross beam, wherein a heightening rod or a pan-tilt is installed on a side of the chute adaptor facing away from the clamping arm.

15. A photographic apparatus, comprising a photographic fixing clip according to any one of claims 1 to 14.

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