CN209610281U - A kind of fixed device of table leg driving device - Google Patents

Abstract

The utility model provides a kind of fixed device of table leg driving device, including outer tube and support tube, is equipped with fixed plate in one end of outer sleeve inner wall, non-circular location hole is equipped in fixed plate；Fixing seat is equipped in one end of support tube, in the inner hole of one end insertion support tube of fixing seat, it is equipped in the other end of fixing seat and is inserted into non-circular location hole with the matched positioning convex platform of non-circular location hole, positioning convex platform, the fixing piece being fixed on fixing seat in fixed plate is equipped on positioning convex platform.The above structure can effectively enhance the intensity of support tube upper fixed seat insertion end, prevent the support tube of thin-walled from deforming, and positioning convex platform is inserted into non-circular location hole, can not only prevent support tube from rotating, can also be achieved support tube and quickly mount and dismount.

Description

A kind of fixed device of table leg driving device

Technical field

The utility model relates to home equipments of handling official business, and in particular to a kind of fixed device of table leg driving device.

Background technique

Desk is essential fitment in people's routine work and life, and currently used desk is typically all solid To determine height, can not highly adjust, such desk there is many defects,

Such as the desk that children use, since children are in growth and development stage, height variation is obvious, if different Age bracket uses the desk of sustained height, it is easy to cause children bow-backed and myopia, for this purpose, people have invented the desk that can be gone up and down To be applicable in different demands.

Application No. is 201720658740.3, the day for announcing is a kind of electronic to disclose in the patent document of 2018.06.22 Same table, including pedestal and desktop, the left and right sides is vertically arranged with first sleeve, movable sleeve in first sleeve respectively on pedestal It is connected to the second casing, desktop is connected on the second casing, motor and reduction gearbox are installed in desktop, reduction gearbox front end is connected with vertical To bevel gear, longitudinal bevel gear front end is provided with lateral bevel gear, and gear shaft, part under gear shaft are arranged in lateral bevel gear For screw configuration, gear shaft is arranged in standpipe, and riser top ends are provided with screw bolt seat.The utility model pass through longitudinal bevel gear and The engaged transmission band movable gear shaft of lateral bevel gear rotates, so that desktop be risen, gear ratio worm drive are more stable, pass Dynamic ratio is accurate, and reliable operation, high-efficient, the service life is long, and compact-sized, power, speed and the size range used is wide, can be preferably Meet the needs of adapting to different user, passes through the speed of the also adjustable desktop lifting of the setting of motor and reduction gearbox.But the party Case is there are also defect, since first sleeve, the second casing and standpipe generally use thin-walled hollow square tube, intensity be not it is very high, The both ends intensity of especially tubing is minimum, and in the program, the upper end of standpipe has been set with screw bolt seat, can enhance the strong of standpipe upper end Degree, and the lower end of standpipe be it is empty, intensity is low, and standpipe, which works long hours, to be easily deformed, and leads to table leg fluctuation of service, therefore have Necessity on the basis of existing technology improves the fixed structure of standpipe, makes that standpipe is fixed reliable, stablizes leg structure of collapsible.

Summary of the invention

To solve problems of the prior art, the utility model provides a kind of fixed device of table leg driving device, It solves the problems, such as that the fixing end intensity of standpipe in the prior art is low, be easily deformed.

A kind of fixed device of table leg driving device that achieve the above purpose, the technical solution of the present invention is:, including Outer tube and support tube, housing pipe sleeve is equipped with fixed plate in the outside of support tube, in one end of outer sleeve inner wall, in fixed plate Equipped with non-circular location hole；It is equipped with fixing seat in one end of support tube, one end of fixing seat is inserted into the inner hole of support tube, solid The other end of reservation is equipped with to be inserted into non-circular location hole with the matched positioning convex platform of non-circular location hole, positioning convex platform, fixed Position boss is equipped with the fixing piece being fixed on fixing seat in fixed plate.

Fixing seat is arranged in one end of support tube in the above structure, and one end of fixing seat is inserted into the inner hole of support tube, can be had The intensity of effect enhancing support tube upper fixed seat insertion end, prevents the support tube of thin-walled from deforming, positioning convex platform is inserted into non-circular positioning Kong Zhong can not only prevent support tube from rotating, and can also be achieved support tube and quickly mount and dismount.

Further, the bottom surface of the fixed plate is higher than the lower end surface of outer tube, and this set makes the head of fixing bolt There is the space being received in portion in outer tube, does not need to open up on pedestal and keeps away a hole, prevents the intensity for reducing pedestal.

Further, threaded hole is equipped on positioning convex platform, the fixing piece is fixing bolt, the thread segment of fixing bolt It is screwed in after non-circular location hole in fixed plate in the threaded hole of positioning convex platform, this fastening means structure is simple, fastens Effect is good, at low cost.

Further, the fixing seat successively includes inserting paragraph, keeps out section and positioning section, convex from one end toward the other end Platform is located on positioning section, and inserting paragraph is used to connect support tube；Section is kept out to be used to keep out support tube；Positioning section is used to connect with fixed plate Connect positioning.

Further, the inserting paragraph is cube structure, and the rib in inserting paragraph side is equipped with close to the one end for keeping out section Slot is riveted, cube structure can form four riveting slots, and support tube position riveting corresponding with riveting slot is turned in riveting slot, is led to Riveting processing is crossed, does not need fixing seat can securely be connect with support tube using additional connector.

Further, groove is equipped with far from the one end for keeping out section in inserting paragraph；Technology groove is equipped in the bottom end of groove.Due to For fixing seat generally using the method production of casting, groove and technology groove, which is arranged, can make the uniform wall thickness of fixing seat everywhere, prevent from receiving Contracting and stress are concentrated.

Further, the location hole is kidney slot；The positioning convex platform is the positioning convex platform of kidney-shaped, the hole of kidney-shaped and convex Platform cooperation is close and easy to process.

Further, it is equipped with chamfering far from the one end for keeping out section in inserting paragraph, setting chamfering can facilitate fixing seat insertion branch In stay tube.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the dimensional decomposition structure diagram of the utility model；

Fig. 3 is the structural schematic diagram of outer tube；

Fig. 4 is the structural schematic diagram of fixing seat；

Fig. 5 is the structural schematic diagram at another visual angle of fixing seat.

Specific embodiment

The utility model is described in further details with reference to the accompanying drawings and detailed description.

It is as shown in Figures 1 to 5: a kind of table leg driving device fixed device, including outer tube 1 and support tube 2, outer tube 1 is set in the outside of support tube 2.

It is welded with fixed plate 10 in the bottom end of 1 inner wall of outer tube, the bottom surface of fixed plate 10 is higher than the lower end surface of outer tube 1, A non-circular location hole and four pedestal fixing screwed holes 102 are equipped in fixed plate 10, it is non-circular in the present embodiment Location hole is kidney slot 100；Four 102 rectangular shaped of pedestal fixing screwed hole arrangements.

It is equipped with fixing seat 3 in the bottom end of support tube 2, fixing seat 3 successively includes positioning section, keeps out section 32 from bottom end toward top With inserting paragraph 33, inserting paragraph 33 is cube structure, and the rib in 33 side of inserting paragraph is equipped with riveting close to the one end for keeping out section 32 Slot 330, inserting paragraph 33 is equipped with chamfering 331 far from the outer rim of the one end for keeping out section 32, in inserting paragraph 33 far from keeping out the one of section 32 The end face at end is equipped with groove 332；It is equipped with technology groove 333 in the bottom end of groove 332, inserting paragraph 33 is inserted into the inner hole of support tube 2 In；The end face for keeping out section 32 is contacted with the bottom end face of support tube 2, and positioning section is and the matched convex of non-circular location hole Platform, in the present embodiment, positioning convex platform is the positioning convex platform 311 of kidney-shaped, and positioning convex platform 311 is inserted into kidney slot 100, in convex Platform 311 is equipped with threaded hole 3110, is equipped in threaded hole 3110 fixing seat 3 being fixed on the fixing piece in fixed plate 10, this In embodiment, the fixing piece is fixing bolt 5, is cased with gasket 6 on fixing bolt 5, and fixing bolt 5 is from the bottom of fixed plate 10 It screws in the threaded hole 3110 of positioning convex platform 311；

The bottom of outer tube 1 is equipped with pedestal 4, and pedestal 4 includes base panel 40, pedestal pedestal 41 and foot pad 42, seating plane Plate 40 is welded on the top of pedestal pedestal 41, and 42 spiral of foot pad is located at the lower section of pedestal pedestal 41；It is equipped on base panel 40 Base panel through-hole 400；Position corresponding with base panel through-hole 400 is logical equipped with pedestal fixing bolt on pedestal pedestal 41 Via hole 410, is equipped with pedestal fixing bolt (not shown) in pedestal fixing screwed hole 102, and the end of thread of pedestal fixing bolt is worn It is screwed in pedestal fixing screwed hole 102 after crossing the base panel through-hole 400 on pedestal pedestal 41.

In the program, support tube 2 is connected by fixing seat 3 with outer tube 1, and fixing seat 3 is inserted into the bottom end of support tube 2, energy The effectively intensity of enhancing 2 bottom end of support tube, kidney slot and positioning convex platform processing technology are simple, and positioning accuracy is high, anti-rotation effect is good, The utility model structure is simple, and support tube is fixed reliable, and leg structure of collapsible is stablized.

Claims (8)

1. a kind of table leg driving device fixed device, including outer tube and support tube, housing pipe sleeve in the outside of support tube, It is characterized in that: being equipped with fixed plate in one end of outer sleeve inner wall, non-circular location hole is equipped in fixed plate；The one of support tube End be equipped with fixing seat, fixing seat one end insertion support tube inner hole in, fixing seat the other end be equipped with and non-circular positioning The matched positioning convex platform in hole, positioning convex platform are inserted into non-circular location hole, are equipped on positioning convex platform and are fixed on fixing seat admittedly Fixing piece on fixed board.

2. a kind of fixed device of table leg driving device according to claim 1, it is characterised in that: the bottom of the fixed plate Face is higher than the lower end surface of outer tube.

3. a kind of fixed device of table leg driving device according to claim 1, it is characterised in that: set on positioning convex platform There is threaded hole, the fixing piece is fixing bolt, and the thread segment of fixing bolt passes through the non-circular location hole back spin in fixed plate Enter in the threaded hole of positioning convex platform.

4. a kind of fixed device of table leg driving device according to claim 1, it is characterised in that: the fixing seat is from one It holds toward the other end and successively includes inserting paragraph, keeps out section and positioning section, positioning convex platform is located on positioning section.

5. a kind of fixed device of table leg driving device according to claim 4, it is characterised in that: the inserting paragraph is positive Cube structure, the rib in inserting paragraph side are equipped with riveting slot close to the one end for keeping out section.

6. a kind of fixed device of table leg driving device according to claim 4, it is characterised in that: in inserting paragraph far from supporting The one end for keeping off section is equipped with groove；Technology groove is equipped in the bottom end of groove.

7. a kind of fixed device of table leg driving device according to claim 1, it is characterised in that: the location hole is waist Shape hole；The positioning convex platform is the positioning convex platform of kidney-shaped.

8. a kind of fixed device of table leg driving device according to claim 4, it is characterised in that: in inserting paragraph far from supporting The one end for keeping off section is equipped with chamfering.