CN110131265B - Show shelf connecting piece and production process thereof - Google Patents
Show shelf connecting piece and production process thereof Download PDFInfo
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- CN110131265B CN110131265B CN201910446918.1A CN201910446918A CN110131265B CN 110131265 B CN110131265 B CN 110131265B CN 201910446918 A CN201910446918 A CN 201910446918A CN 110131265 B CN110131265 B CN 110131265B
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- connecting sleeve
- fastening hoop
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 claims description 9
- 238000005422 blasting Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 37
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a connecting piece of a display rack and a production process thereof, relates to the technical field of connecting pieces of display racks, and solves the technical problem of low connecting strength between the connecting piece and a metal pipe fitting. The connecting device is technically characterized by comprising a body, wherein at least one first connecting sleeve is arranged on the body, each first connecting sleeve comprises a connecting part connected with the body and elastic clamping pieces which are circumferentially arranged at equal intervals on the axis of the plurality of ring connecting parts and are enclosed to form the connecting part, and one end of each elastic clamping piece, which is far away from the body, is opened towards the direction far away from the axis of the connecting part; the fastening hoop is sleeved on one end, close to the body, of the first connecting sleeve, and the inner diameter of the fastening hoop is larger than the outer diameter of one end, close to the body, of the first connecting sleeve; the invention has the advantage of improving the connection strength of the connecting piece and the metal pipe fitting.
Description
Technical Field
The invention relates to the technical field of show shelf connecting pieces, in particular to a show shelf connecting piece and a production process thereof.
Background
In the prior art, a common display rack is assembled by adopting a mode of splicing a plurality of metal pipe fittings, a connecting piece for connecting each metal pipe fitting is generally a connecting piece with a thread structure, the connecting piece is not easy to combine in multiple modes, and the formed structure is single and is not convenient to disassemble and assemble.
The Chinese patent with the publication number of CN202222856U discloses a connecting piece of a display rack, wherein the connecting piece comprises a buckle body, the buckle body comprises a main body and a through groove, one groove edge of the through groove is integrally connected with one end of the main body, the other end of the main body is provided with a longitudinal open groove, and the main body is also provided with a connecting hole; the metal pipe fitting comprises a pipe fitting connecting hole, a metal pipe fitting body, a bolt, a nut and a buckle body, wherein the buckle body is matched with the nut, the pipe fitting connecting hole is formed in the buckle body, the buckle body is matched with the buckle body, the pipe fitting connecting hole is formed by combining the buckle body and the buckle body, the matched metal pipe fitting is placed in the metal pipe fitting connecting hole, and the metal pipe fitting is locked by the bolt and the nut to form a fixed connection relation.
In the prior art, similar to the display rack connecting piece, when in use, two buckling bodies are required to be matched to clamp and fix the metal pipe fitting, and the splicing mode of various metal pipe fittings can be met according to different shapes of the two buckling bodies; however, the fastening of the two fasteners is required to be achieved by bolts and nuts, and is limited by the size of the fasteners, and the bolts and nuts used for fastening the two fasteners are generally small in size, so that it is difficult to ensure a large fastening force, which results in a low connection strength between the connecting member and the metal pipe, and thus an improvement is required.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to provide a connecting piece of a display rack and a production process thereof, and the connecting piece has the advantage of improving the connecting strength of the connecting piece and a metal pipe fitting.
In order to achieve the purpose, the invention provides the following technical scheme: the connecting device comprises a body, wherein at least one first connecting sleeve is arranged on the body, each first connecting sleeve comprises a connecting part connected with the body and elastic clamping pieces which are circumferentially arranged at equal intervals on the axis of a plurality of ring connecting parts, and one end of each elastic clamping piece, which is far away from the body, is opened towards the direction far away from the axis of the connecting part;
the fastening hoop is sleeved at one end, close to the body, of the first connecting sleeve, and the inner diameter of the fastening hoop is larger than the outer diameter of one end, close to the body, of the first connecting sleeve.
By adopting the technical scheme, when a plurality of metal pipe fittings are required to be spliced together, only a worker is required to insert each metal pipe fitting into each first connecting sleeve respectively, and then the fastening hoop moves towards the direction far away from the body, so that each elastic clamping piece can clamp and fix the metal pipe fitting inserted into the first connecting sleeve, and the effect of clamping and fixing the metal pipe fitting is achieved; the contact area between the fastening hoop and the first connecting sleeve can be increased by utilizing the matching between the fastening hoop and the elastic clamping piece, so that the connection between the fastening hoop and the first connecting sleeve is firmer and more stable, and the connection between the connecting piece and the metal pipe fitting is firmer and more stable.
The invention is further configured to: the outer wall of each first connecting sleeve is provided with a first external thread, and the inner wall of each fastening hoop is provided with a first internal thread matched with the first external thread.
Through adopting above-mentioned technical scheme, utilize the cooperation that sets up between the first external screw thread on first connecting sleeve outer wall and the first internal thread that sets up on fastening hoop inner wall for fastening hoop can extrude each piece elasticity clamp splice piece towards the direction of first connecting sleeve axis when twisting towards the direction of keeping away from the body, the mode that adopts screw propulsion promotes fastening hoop to remove more easily, make fastening hoop's outside be the setting of regular polygon prism form and be convenient for the staff utilizes the spanner to twist and twist fastening hoop, make the tight fixed work of clamp of body implement more easily.
The invention is further configured to: each elastic clamping piece is in an arc-shaped sheet shape with an inner concave surface facing the circumferential direction of the first connecting sleeve, and a groove which is arranged along the length direction of the elastic clamping piece and has a V-shaped cross section is arranged on the inner concave surface of each elastic clamping piece.
Through adopting above-mentioned technical scheme, current metal pipe fitting generally is circular tubular product or regular polygon tubular product, and the elasticity that is the arc slice setting presss from both sides tight piece can cooperate with the metal pipe fitting that circular tubular product form set up, utilizes the type groove that sets up on each elasticity presss from both sides tight piece inner wall can cooperate with each end limit of the metal pipe box that regular polygon tubular product form set up for first connecting sleeve can be applicable to the metal pipe fitting of two kinds.
The invention is further configured to: the body is provided with a plurality of pieces, the number of the first connecting sleeves arranged on the body is one, the body is provided with a plurality of pieces, each body is provided with a through groove, and each body is fixed together through the connecting components which penetrate through the through grooves and are in interference fit with the body.
Through adopting above-mentioned technical scheme, when first adapter sleeve on the body is one, through lining up the interference fit between groove and the coupling assembling with many bodies together fixed to reach the effect as an organic whole with many first adapter sleeves equipment, and the angularly adjustable of each body axis of each connecting collar makes and to be applicable to more equipment schemes.
The invention is further configured to: each be provided with the constant head tank that multichannel ring body inner wall circumference equidistance was arranged on one of them face of body, each be provided with the location arch that multichannel ring body inner wall circumference equidistance was arranged and shape quantity and constant head tank one-to-one on the other face of body.
Through adopting above-mentioned technical scheme, can fix a position the installation angle of many first connecting sleeves of concatenation together through the cooperation between constant head tank and the location arch for when many bodies and coupling assembling cooperate, each body can not take place to deflect, makes the connection between each body more stable.
The invention is further configured to: the connecting assembly comprises a second connecting sleeve and an outer supporting piece, wherein the second connecting sleeve is arranged in the same shape and size as the first connecting sleeve, and the outer supporting piece is inserted into the second connecting sleeve.
Through adopting above-mentioned technical scheme, can realize the interference fit between coupling assembling and many bodys through the cooperation between the second adapter sleeve that props outward and set up the same with first adapter sleeve shape size.
The invention is further configured to: and second external threads are arranged on the outer wall of each second connecting sleeve, and second internal threads matched with the second external threads are arranged on the inner wall of each through groove.
By adopting the technical scheme, the second connecting sleeve can be conveniently screwed and pushed into each body through the matching between the second external thread and the second internal thread.
The invention is further configured to: the body can also be arranged into one piece, the number of the first connecting sleeves arranged on the body is two or more, the axes of the first connecting sleeves are intersected at the central position of the body, and the first connecting sleeves are mutually communicated.
Through adopting above-mentioned technical scheme, when the first connecting sleeve that sets up on the body is two and more, a body can cooperate with many metal pipe fittings simultaneously.
A process for the production of a display rack connector as described above, comprising the steps of:
the method comprises the following steps: the body, the first connecting sleeve and the fastening hoop are cast and molded by a casting machine, and are taken out after cooling molding, and the casting mold is set as a core-pulling mold;
step two: performing surface shot blasting treatment on the body fastening hoop by using a shot blasting machine, and performing finish machining treatment on the inner walls of the body and the fastening hoop by using a drilling machine or a lathe;
step three: turning threads which are matched with each other on the outer wall of the first connecting sleeve of the body and the inner wall of the fastening hoop, and cutting a groove on the inner wall of the first connecting sleeve;
step four: cutting a plurality of cuts arranged along the length direction of the first connecting sleeve on the first connecting sleeve, so that the first connecting sleeve can be divided into a plurality of elastic clamping pieces;
step five: the fastening hoop is screwed into one end of the first connecting sleeve, which is close to the body, and then one end, which is far away from the body, of each elastic clamping piece is bent towards the direction far away from the axis of the first connecting sleeve.
By adopting the technical scheme, the body and the fastening hoop blank can be formed through the first step, and the inner cavity of the first connecting sleeve can be formed by using the core-pulling die; through the second step, the appearance quality of the body and the fastening hoop can be improved, and burrs on the outer walls of the body and the fastening hoop can be removed; completely molding the first connecting sleeve and the fastening hoop arranged on the body by using the third step and the fourth step; finally, the body and the fastening hoop can be assembled together by using the fifth step.
The invention is further configured to: when the first connecting sleeve arranged on the body is one, the first connecting sleeve and the body are integrally formed in the first step, the first connecting sleeve is cut off from the body to form a second connecting sleeve before the second step, and the cut-off body is used as a new fastening hoop.
Through adopting above-mentioned technical scheme for when setting up to one for the first connecting sleeve on the body, can use same set of loose core mould with body and first connecting sleeve cast molding together, effective reduce cost.
Compared with the prior art, the invention has the beneficial effects that:
(1) the connecting area among all the parts is large, so that the connection among all the parts is firmer and more stable, and the connecting strength between the connecting piece and the metal pipe fitting is effectively increased;
(2) the outer diameter of the metal pipe fitting is adjustable within a certain range, and higher connection strength can be still maintained when the error range of the metal pipe fitting does not exceed the minimum inner diameter of the first connecting sleeve;
(3) the first connecting sleeve with the groove is suitable for installation and use of at least two different types of metal pipe fittings, and the application range is wide.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a schematic view illustrating a first embodiment of a device in use;
FIG. 3 is an enlarged view of part A of FIG. 2;
FIG. 4 is a schematic view of a plurality of bodies connected in accordance with the present embodiment;
fig. 5 is a schematic structural diagram of the second embodiment.
Reference numerals: 1. a body; 11. a first connecting sleeve; 111. a connecting portion; 112. an elastic clamping piece; 113. a profiled groove; 12. a through groove; 13. positioning the projection; 14. positioning a groove; 2. fastening a hoop; 3. a metal pipe fitting; 4. a second connecting sleeve; 5. an outer support.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
The first embodiment is as follows: a connecting piece of a display rack comprises a body 1 and a fastening hoop 2 matched with the body 1, wherein a first connecting sleeve 11 used for clamping and fixing a metal pipe is arranged on the body 1, and the fastening hoop 2 is sleeved on one end, close to the body 1, of the first connecting sleeve 11; in use, as shown in fig. 1 and 2, the first connecting sleeves 11 are matched to fix the metal pipe fittings 3 together.
As shown in fig. 1 and fig. 3, each of the first connecting sleeves 11 includes a connecting portion 111 connected to the body 1 and elastic clamping pieces 112 arranged at equal intervals in the circumferential direction of the axis of the plurality of ring connecting portions 111, each of the elastic clamping pieces 112 is arranged in an arc-shaped sheet shape, and a groove 113 arranged along the length direction of the elastic clamping piece 112 and having a V-shaped cross section is formed in an inner concave surface of each of the elastic clamping pieces 112; when the fastening hoop 2 is located at one end of the first connecting sleeve 11 close to the body 1, each elastic clamping piece 112 is naturally unfolded, at this time, an inner concave surface of each elastic clamping piece 112 surrounds to form a cylindrical through hole, and each elastic clamping piece 112 extends from one end close to the body 1 to one end far away from the body 1 in a direction far away from the axis of the first connecting sleeve 11; when the fastening hoop 2 is located at the end of the first connecting sleeve 11 away from the body 1, the end of each elastic clamping piece 112 away from the body 1 is stressed to be folded, so that each elastic clamping piece 112 can clamp and fix the metal pipe 3.
Wherein, be provided with first external screw thread on the outer wall of first connecting sleeve 11, be provided with on the inner wall of fastening hoop 2 with first external screw thread complex first internal thread, when needs move fastening hoop 2 to first connecting sleeve 11 and keep away from the one end of body 1 on, only need with fastening hoop 2 adopt the mode of twisting soon to advance towards the direction of keeping away from body 1 can.
Wherein, it should be noted that the number of the elastic clamping pieces 112 is at least three, and when the connecting piece is matched with the regular polygon tube, the number of the elastic clamping pieces 112 is consistent with the number of the sides of the regular polygon tube.
As shown in fig. 2 and 4, the body 1 is in a regular polygon column shape, and each body 1 is provided with a through groove 12, the first connecting sleeve 11 is arranged on the outer wall of the body 1, and only one first connecting sleeve 11 is arranged, at this time, in order to realize connection between a plurality of first connecting sleeves 11, a worker needs to stack each body 1 together, and then each through groove 12 and each body 1 is fixed together by the connecting assembly which is in interference fit with each body 1.
Specifically, the connecting assembly comprises a second connecting sleeve 4 and an outer support member 5, wherein the shape, size and characteristics of the second connecting sleeve 4 are the same as those of the first connecting sleeve 11, and the outer support member 5 is inserted into the second connecting sleeve 4; wherein the outer strut 5 can be replaced by a metal tube 3.
Furthermore, one end face of each body 1 is provided with a plurality of positioning grooves 14 which are equidistantly distributed along the circumferential direction of the inner wall of the ring body 1, and the other end face of each body 1 is provided with a plurality of positioning protrusions 13 which are equidistantly distributed along the circumferential direction of the inner wall of the ring body 1 and have the shapes and the number corresponding to the positioning grooves 14 one by one; when the bodies 1 are spliced, the positioning protrusions 13 arranged on one of the bodies 1 are respectively clamped into the positioning grooves 14 arranged on the other body 1.
Wherein, can also adopt welded mode to fix together between each body 1, when welding each body 1, only need through each constant head tank 14 and location arch 13 with each body 1 concatenation together, then with two bodies 1 welding that welding equipment set up adjacently together can.
Example two: the difference from the first embodiment is that two or more first connecting sleeves 11 are arranged on the body 1, the axes of the first connecting sleeves 11 intersect at the central position of the body 1, and the first connecting sleeves 11 are communicated with each other.
Compared with the first embodiment, the second embodiment has lower design cost and assembly cost, and the connection relationship among the first connecting sleeves 11 is more stable, but each second embodiment (namely, the number and the positions of the first connecting sleeves 11 are different) can only be used for one metal pipe splicing mode, and the application range is lower; compared with the second embodiment, the first embodiment has relatively high design cost and assembly cost, and the stability of the connection relationship between the first connecting sleeves 11 connected together is poor, but connection modes at different angles can be combined as required, so that the application range is wide.
A process for the production of a display rack connector as described above, comprising the steps of:
the method comprises the following steps: the body 1, the first connecting sleeve 11 and the fastening hoop 2 are cast and molded by a casting machine, and are taken out after cooling molding, and a casting mold is set as a core-pulling mold;
step two: performing surface shot blasting treatment on the body 1 and the fastening hoop 2 by using a shot blasting machine, and then performing finish machining treatment on the inner walls of the body 1 and the fastening hoop 2 by using a drilling machine or a lathe;
step three: turning mutually matched threads on the outer wall of the first connecting sleeve 11 of the body 1 and the inner wall of the fastening hoop 2, and cutting a groove 113 on the inner wall of the first connecting sleeve 11;
step four: a plurality of cuts are cut on the first connecting sleeve 11 along the length direction of the first connecting sleeve 11, so that a plurality of elastic clamping pieces 112 can be cut on the first connecting sleeve 11;
step five: the fastening hoop 2 is screwed into the end of the first connecting sleeve 11 close to the body 1, and then the end of each elastic clamping piece 112 away from the body 1 is bent away from the axis of the first connecting sleeve 11.
When the method is used for producing the body 1 according to the first embodiment, when the first connecting sleeve 11 is provided on the body 1, the first connecting sleeve 11 and the body 1 are integrally formed in the first step, the second connecting sleeve 4 is formed by cutting the first connecting sleeve 11 from the body 1 before the second step, and the cut body 1 is used as a new fastening hoop 2.
The working process of the invention is as follows:
when the metal pipe fitting 3 and the body 1 need to be connected, the metal pipe fitting 3 only needs to be inserted into the corresponding first connecting sleeve 11, and then the fastening hoop 2 is screwed so that the fastening hoop 2 can drive the elastic pressing sheet arranged on the body 1 to clamp the metal pipe fitting 3.
When the metal pipe 3 is a regular polygon pipe, the corners of the regular polygon pipe are respectively clamped into the grooves 113.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A display stand coupling, comprising:
the connecting device comprises a body (1), wherein at least one first connecting sleeve (11) is arranged on the body (1), each first connecting sleeve (11) comprises a connecting part (111) connected with the body (1) and elastic clamping pieces (112) which are circumferentially and equidistantly arranged on the axis of the plurality of ring connecting parts (111), and one end, far away from the body (1), of each elastic clamping piece (112) is opened towards the direction far away from the axis of the connecting part (111);
the fastening hoop (2), the fastening hoop (2) is sleeved on one end, close to the body (1), of the first connecting sleeve (11), and the inner diameter of the fastening hoop (2) is larger than the outer diameter of one end, close to the body (1), of the first connecting sleeve (11);
each elasticity presss from both sides tight piece (112) and all is the arc slice setting that the interior concave surface set up towards first connecting sleeve (11) circumference, each all be provided with along elasticity presss from both sides the setting of tight piece (112) length direction of clamp and transversal type groove (113) of personally submitting "V" word shape setting on the interior concave surface of elasticity presss from both sides tight piece (112), body (1) is provided with many, first connecting sleeve (11) that set up on body (1) are one, body (1) is provided with many, each all be provided with through groove (12) on body (1), each body (1) through wear to establish each through groove (12) and with body (1) interference fit's coupling assembling together fixed.
2. A display stand coupler according to claim 1, wherein: the outer wall of each first connecting sleeve (11) is provided with a first external thread, and the inner wall of each fastening hoop (2) is provided with a first internal thread matched with the first external thread.
3. A display stand coupler according to claim 1, wherein: each one of the surfaces of the body (1) is provided with a plurality of positioning grooves (14) which are distributed on the inner wall of the ring body (1) in a circumferential equidistance mode, and the other surface of the body (1) is provided with a plurality of positioning bulges (13) which are distributed on the inner wall of the ring body (1) in a circumferential equidistance mode and have the shape and the number corresponding to the positioning grooves (14) one by one.
4. A display stand coupler according to claim 1, wherein: the connecting assembly comprises a second connecting sleeve (4) which is the same as the first connecting sleeve (11) in shape and size and an outer support piece (5) inserted in the second connecting sleeve (4).
5. A display stand coupling member according to claim 4, wherein: second external threads are arranged on the outer wall of each second connecting sleeve (4), and second internal threads matched with the second external threads are arranged on the inner wall of each through groove (12).
6. A display stand coupler according to claim 1, wherein: the body (1) can be further provided as one piece, the number of the first connecting sleeves (11) arranged on the body (1) is two or more, the axes of the first connecting sleeves (11) are intersected at the central position of the body (1), and the first connecting sleeves (11) are communicated with each other.
7. A process for the production of a display stand connector according to any one of claims 1 to 6, comprising the steps of:
the method comprises the following steps: the body (1), the first connecting sleeve (11) and the fastening hoop (2) are cast and molded by a casting machine, and are taken out after cooling molding, and a casting mold is set as a core-pulling mold;
step two: performing surface shot blasting treatment on the body (1) and the fastening hoop (2) by using a shot blasting machine, and then performing finish machining treatment on the inner walls of the body (1) and the fastening hoop (2) by using a drilling machine or a lathe;
step three: turning threads matched with each other on the outer wall of a first connecting sleeve (11) of the body (1) and the inner wall of the fastening hoop (2), and cutting a groove (113) on the inner wall of the first connecting sleeve (11);
step four: a plurality of cuts are cut on the first connecting sleeve (11) along the length direction of the first connecting sleeve (11), so that a plurality of elastic clamping pieces (112) can be cut on the first connecting sleeve (11);
step five: the fastening hoop (2) is screwed into one end of the first connecting sleeve (11) close to the body (1), and then one end of each elastic clamping piece (112) far away from the body (1) is bent towards the direction far away from the axis of the first connecting sleeve (11).
8. The process for producing a display rack connector according to claim 7, wherein: when the number of the first connecting sleeves (11) arranged on the body (1) is one, the first connecting sleeves (11) and the body (1) are integrally formed in the first step, before the second step, the first connecting sleeves (11) are cut from the body (1) to form second connecting sleeves (4), and the cut body (1) is used as a new fastening hoop (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446918.1A CN110131265B (en) | 2019-05-27 | 2019-05-27 | Show shelf connecting piece and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446918.1A CN110131265B (en) | 2019-05-27 | 2019-05-27 | Show shelf connecting piece and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110131265A CN110131265A (en) | 2019-08-16 |
| CN110131265B true CN110131265B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910446918.1A Active CN110131265B (en) | 2019-05-27 | 2019-05-27 | Show shelf connecting piece and production process thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111235771B (en) * | 2020-03-20 | 2021-11-30 | 徐州力达缝纫设备制造有限公司 | Sewing machine with thread clamping device convenient to install |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5765960A (en) * | 1996-06-14 | 1998-06-16 | Carpin Manufacturing, Inc. | Expansion connector for tubular member |
| CN201868577U (en) * | 2010-10-22 | 2011-06-15 | 余姚市安联电子科技有限公司 | Anti-falling pipe for connecting breaking part of power supply cord or signal wire |
| CN202222856U (en) * | 2011-09-15 | 2012-05-23 | 周德椿 | Connector of showing stand |
| CN104863349A (en) * | 2015-06-01 | 2015-08-26 | 江阴市东升建筑机械有限公司 | Connector |
| CN105508354A (en) * | 2015-12-07 | 2016-04-20 | 天津天申服装有限公司 | Clothing display rack connecting structure |
| CN206146275U (en) * | 2016-11-10 | 2017-05-03 | 淮北龙祥塑胶科技有限公司 | Novel fixed protective sheath of copper aluminum welding pipe solder joint |
| CN208072933U (en) * | 2017-06-28 | 2018-11-09 | 安宜建设集团有限公司 | A kind of scaffold easy to assemble |
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