CN210468997U

CN210468997U - A protection device for servo motor

Info

Publication number: CN210468997U
Application number: CN201921801226.6U
Authority: CN
Inventors: 叶灿远
Original assignee: Shanghai Baoxie New Energy Technology Co ltd
Current assignee: Shanghai Baoxie New Energy Technology Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-05-05
Anticipated expiration: 2029-10-24

Abstract

The utility model belongs to the technical field of the motor technique and specifically relates to a protection device for servo motor is related to, the utility model discloses a cover establishes the protection section of thick bamboo outside the cable and fixes the solid fixed cylinder on the casing, and the internal diameter of protection section of thick bamboo reduces to the other end gradually by the one end that is close to at the solid fixed cylinder, and the solid fixed cover of protection section of thick bamboo is equipped with the lantern ring outward, and the lantern ring slides to inlay and establishes in solid fixed cylinder, and circumference has seted up a plurality of grooves that run through on the outer wall of solid fixed cylinder, and all run through the inslot and all slide to inlay. Firstly, the protection barrel is sleeved outside the cable, then the protection barrel is embedded into the fixed barrel in a sliding mode, the pushing piece pushes all the limiting pieces to slide in the corresponding penetrating grooves and tightly abut against the outer wall of the lantern ring together, multiple positions of the lantern ring are tightly abutted and fixed, and therefore the lantern ring can be tightly abutted and loosened only by controlling the pushing piece, and the protection barrel is convenient to disassemble and assemble. The utility model discloses the dismouting of being convenient for.

Description

A protection device for servo motor

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to a protection device for servo motor is related to.

Background

The servo motor is an engine which controls mechanical elements to operate in a servo system, and is an auxiliary motor indirect speed changing device. The servo motor can control the speed and position accuracy accurately, and can convert the voltage signal into torque and rotating speed to drive a control object.

Through the retrieval, chinese patent publication No. CN206180751U discloses servo motor, including casing and motor shaft, be connected with the cable on the casing, the cable is equipped with protection piece with the junction of casing, be equipped with logical groove in the protection piece, the diameter that leads to the groove is steadilyd decrease gradually towards the other end by the one end of being connected with the casing, it is equipped with a plurality of soft teeth to lead to the inslot, protection piece is towards one of casing and serves a plurality of fixed blocks, be equipped with the mounting groove on the casing, be equipped with the draw-in groove on the inner wall of mounting groove, be equipped with the fixture block on the inner wall of draw-in groove. Due to the arrangement of the structure, the connection part between the cable and the shell can be well protected, so that the cable is not easy to be damaged and broken, the service life is prolonged, and the product quality is improved.

The above prior art solutions have the following drawbacks: in the installation and the dismantlement in-process of protective member, need artificially press two sets of fixture blocks and make two sets of elastic component all compressed, just can imbed the fixed block in the card ditch or with the fixed block roll-off in the card ditch. If two sets of fixture blocks are pressed by fingers, the space of the mounting groove is limited, so that a worker is inconvenient to operate the protection piece, the protection piece is inconvenient to mount and dismount, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for servo motor's protection device, the dismouting of being convenient for to prior art exists not enoughly.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a protection device for servo motor, establish a protection section of thick bamboo outside the cable and fix the solid fixed cylinder on the casing including the cover, the internal diameter of a protection section of thick bamboo reduces to the other end gradually by the one end that is close to in the solid fixed cylinder, the external fixed cover of protection section of thick bamboo is equipped with the lantern ring, the lantern ring slides and inlays to be established in solid fixed cylinder, circumference has been seted up a plurality of grooves that run through on the outer wall of solid fixed cylinder, all run through the inslot and all slide and inlay and be equipped with the locating part, gu be equipped with on the fixed cylinder and promote all locating parts and slide and.

Through adopting above-mentioned technical scheme, establish the protection section of thick bamboo outside the cable earlier, slide the embedding of protection section of thick bamboo in the fixed section of thick bamboo again, the impeller will promote all locating parts and slide and support tightly in the lantern ring outer wall jointly in the corresponding groove that runs through, realized supporting tightly fixedly in many places to the lantern ring, so only can realize supporting tightly and lax to the lantern ring through control impeller to the dismouting of a protection section of thick bamboo of being convenient for.

The utility model discloses further set up to: the impeller is a pushing ring which is sleeved outside the fixed cylinder in a sliding manner, one end of the pushing ring, facing the limiting part, is provided with a pushing surface which inclines towards the lantern ring, one side, far away from the lantern ring, of each limiting part penetrates out of the corresponding penetrating groove and is abutted against the pushing surface together, and the fixed cylinder is provided with a locking part used for locking and fixing the pushing ring.

Through adopting above-mentioned technical scheme, when the slip promotion ring makes the push surface compress tightly when one side that corresponds the through groove is worn out to all locating parts, all locating parts all will slide and support tightly in the outer wall of the lantern ring jointly in the through groove that corresponds, and rethread locking piece will push ring locking and fix, can make the lantern ring supported tightly to be fixed in the solid fixed cylinder.

The utility model discloses further set up to: and one side of each limiting piece penetrating through the corresponding through groove is provided with a matching surface attached to the pushing surface.

Through adopting above-mentioned technical scheme, the fitting surface has increased the area of contact of locating part with the propelling movement ring with the sliding fit of pushing face to the tight effect of supporting of impeller to the locating part and the stability of locating part in the slip process have been improved.

The utility model discloses further set up to: and the outer wall of the lantern ring is provided with a plurality of inserting grooves for the corresponding limiting parts to be inserted in a sliding manner.

Through adopting above-mentioned technical scheme, promote the ring and will promote all locating parts and slide and plug in the inserting groove that corresponds in the corresponding trough that runs through for the locating part is fixed the change to the grafting of supporting of lantern ring and is fixed, thereby has further improved the stability of a protection section of thick bamboo.

The utility model discloses further set up to: the fixed cylinder is provided with a plurality of first elastic pieces which drive the corresponding limiting pieces to slide and separate from the inserting grooves.

By adopting the technical scheme, when all the limiting pieces are inserted in the insertion grooves, all the first elastic pieces are in a deformation state; when the pushing ring is slid to separate the pushing surface from all the limiting parts, all the first elastic parts are restored to the natural state and drive the corresponding limiting parts to slide to separate from the corresponding insertion grooves, so that the protection cylinder can be conveniently slid out of the fixed cylinder for disassembly.

The utility model discloses further set up to: run through the groove and be equipped with two sets ofly on the outer wall of a fixed cylinder, the internal diameter of a fixed cylinder is greater than the external diameter of the lantern ring, and all locating parts have all been seted up the standing groove on one side of the lantern ring, all are equipped with the stopper in all standing grooves and promote the stopper and contradict in the second elastic component of inserting groove towards the cell wall of notch, and all stoppers all slide to inlay to establish in the standing groove that corresponds.

By adopting the technical scheme, when the limiting piece is inserted into the insertion groove, the second elastic piece is in a natural state and drives the limiting piece to abut against the groove wall of the insertion groove facing the groove opening, so that the protection cylinder is not easy to shake; when the cable was dragged, a protection section of thick bamboo will be pulled and slide in a fixed section of thick bamboo by the cable, thereby the second elastic component will take place deformation and cushion dragging force, has reduced the cracked condition of cable effectively and has taken place.

The utility model discloses further set up to: the locking piece is a thread section arranged on the outer wall of the fixed cylinder, and a thread groove in thread fit with the thread section is formed in the inner wall of the push ring.

Through adopting above-mentioned technical scheme, the cooperation of screw thread section and thread groove has guaranteed the stability of the effect of compressing tightly and the protection section of thick bamboo in fixed section of thick bamboo of promotion ring to all locating parts.

The utility model discloses further set up to: a plurality of elastic spines are circumferentially fixed on the inner wall of the protection cylinder, and all the elastic spines deviate from the fixed cylinder to incline.

Through adopting above-mentioned technical scheme, all deviate from the solid fixed cylinder slope because of all elasticity stings, so the protection section of thick bamboo will be convenient for imbed in the solid fixed cylinder and be not convenient for from the solid fixed cylinder roll-off, has made things convenient for the installation of protection section of thick bamboo and has guaranteed the stability of protection section of thick bamboo in the solid fixed cylinder.

To sum up, the utility model discloses following beneficial effect has:

1. the arrangement of the protection cylinder, the lantern ring, the fixed cylinder, the limiting piece, the pushing ring and the locking piece can realize the tight and loose support of the lantern ring only by rotating the pushing ring, thereby facilitating the disassembly and assembly of the protection cylinder;

2. the arrangement of the insertion groove enables the abutting fixation of the limiting piece on the lantern ring to be changed into insertion fixation, so that the stability of the protection barrel is further improved;

3. due to the arrangement of the elastic spines, the protection cylinder is convenient to embed into the fixed cylinder and cannot slide out of the fixed cylinder conveniently, the protection cylinder is convenient to install, and the stability of the protection cylinder in the fixed cylinder is guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;

fig. 2 is a schematic sectional structure diagram of the whole in the embodiment of the present invention.

In the figure: 1. a protective cylinder; 11. a collar; 2. a fixed cylinder; 21. a through groove; 22. a limiting member; 23. a mating surface; 24. inserting grooves; 25. a push ring; 251. pushing the surface; 26. a threaded segment; 27. a first spring; 28. a placement groove; 281. a limiting block; 282. a second spring; 3. and (5) elastic stabs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a protection device for servo motor, establish a protection section of thick bamboo 1 and fix a solid fixed cylinder 2 on the casing outside the cable including the cover, the material of a protection section of thick bamboo 1 is rubber, and the internal diameter of a protection section of thick bamboo 1 reduces to the other end gradually by the one end that is close to solid fixed cylinder 2, and a protection section of thick bamboo 1 external fixation cover is equipped with the lantern ring 11, and lantern ring 11 slides to inlay and establishes in gu fixed cylinder 2.

As shown in fig. 2, two sets of through grooves 21 are circumferentially formed in the outer wall of the fixed cylinder 2, limiting members 22 are slidably embedded in all the through grooves 21, all the limiting members 22 are arranged in a columnar shape, one end of each limiting member 22, which is far away from the lantern ring 11, penetrates out of the corresponding through groove 21, and one end of each limiting member 22, which penetrates out of the corresponding through groove 21, is provided with a matching surface 23 inclined away from the lantern ring 11; the outer wall of the lantern ring 11 is provided with a plurality of insertion grooves 24 for the corresponding limiting members 22 to be inserted in a sliding manner.

As shown in fig. 2, the fixed cylinder 2 is provided with a pushing member, the pushing member is a pushing ring 25 sleeved outside the fixed cylinder 2, and one end of the pushing ring 25 facing the limiting member 22 is provided with a pushing surface 251 inclined towards the sleeve ring 11; be equipped with the retaining member on the solid fixed cylinder 2, the threaded section 26 on the retaining member for locating solid fixed cylinder 2 outer wall is equipped with the thread groove that screw-thread fit 26 on the inner wall of promotion ring 25.

As shown in fig. 2, when the pushing ring 25 is rotated to press the pushing surfaces 251 against all the mating surfaces 23, all the limiting members 22 will slide in the corresponding through grooves 21 and be inserted into the corresponding insertion grooves 24, so that the protection cylinder 1 is inserted and fixed in the fixed cylinder 2; the protection barrel 1 can be installed only by rotating the push ring 25, and the operation is convenient.

As shown in fig. 2, the fixed cylinder 2 is provided with a plurality of first elastic members corresponding to the limiting members 22, all the first elastic members are first springs 27 wound outside the corresponding limiting members 22, and both ends of all the first springs 27 are respectively fixedly connected to the outer wall of the fixed cylinder 2 and the corresponding limiting members 22. When the pushing ring 25 is rotated to disengage the pushing surface 251 from all the limiting members 22, all the first springs 27 will return to the natural state and drive the corresponding limiting members 22 to slide and disengage from the corresponding insertion grooves 24; the protection barrel 1 can be disassembled only by rotating the push ring 25, and the operation is convenient.

As shown in fig. 2, the placing grooves 28 are formed on one sides of the limiting members 22 facing the collar 11, the limiting members 281 and the second elastic members are disposed in all the placing grooves 28, all the limiting members 281 are slidably embedded in the corresponding placing grooves 28, all the second elastic members are the second springs 282, and both ends of all the second springs 282 are fixedly connected to the wall of the corresponding placing groove 28 and the corresponding limiting members 281, respectively. When the limiting member 22 is inserted into the insertion groove 24, the second spring 282 is in a natural state and drives the limiting member 281 to abut against the groove wall of the insertion groove 24 facing the notch, so that the protection barrel 1 is not prone to shake; when the cable was dragged, protection section of thick bamboo 1 will be pulled and slide in fixed section of thick bamboo 2 by the cable, thereby the second spring 282 will take place deformation and cushion the power of dragging, has reduced the cracked condition of cable effectively and has taken place.

As shown in fig. 2, a plurality of elastic spines 3 are circumferentially fixed on the inner wall of the protection cylinder 1, and the elastic spines 3 can be used for clamping cables and providing certain buffer action for bent cables; all elasticity stings 3 the material be rubber and all deviate from the slope of solid fixed cylinder 2, so the protection section of thick bamboo 1 will be convenient for imbed in solid fixed cylinder 2 and be not convenient for from the interior roll-off of solid fixed cylinder 2, has made things convenient for the installation of protection section of thick bamboo 1 and has guaranteed the stability of protection section of thick bamboo 1 in gu fixed cylinder 2.

The implementation principle of the embodiment is as follows: in the installation process of the protective cylinder 1, the protective cylinder 1 is sleeved outside the cable, and then the protective cylinder 1 is embedded into the fixed cylinder 2 in a sliding manner; then, the pushing ring 25 is rotated to enable the pushing surfaces 251 to be pressed against all the matching surfaces 23, and all the limiting pieces 22 are to slide in the corresponding through grooves 21 and be inserted into the inserting grooves 24; all the second springs 282 are in a natural state and drive the limiting block 281 to abut against the groove wall of the insertion groove 24 facing the notch, so that the installation of the protection cylinder 1 is completed; therefore, the installation of the protection barrel 1 can be completed only by sliding the protection barrel 1 and rotating the push ring 25, and the operation is convenient.

When the cable was dragged, protection section of thick bamboo 1 will be pulled and slide in fixed section of thick bamboo 2 by the cable, thereby second spring 282 and elasticity thorn 3 will take place deformation and cushion the power of dragging, have reduced the cracked condition of cable effectively and have taken place.

In the process of disassembling the protection barrel 1, the pushing ring 25 is rotated to make the pushing surface 251 away from all the limiting members 22, all the first springs 27 are restored to the natural state and drive the corresponding limiting members 22 and the limiting members 281 to slide and disengage from the corresponding inserting grooves 24, and at this time, the protection barrel 1 can slide out of the fixed barrel 2 and disengage from the cable; therefore, the protection barrel 1 can be disassembled only by rotating the push ring 25 and sliding the protection barrel 1, and the operation is convenient.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A protection device for a servo motor, characterized in that: establish protection section of thick bamboo (1) outside the cable and fix a fixed section of thick bamboo (2) on the casing including the cover, the internal diameter of protection section of thick bamboo (1) is by being close to the one end in a fixed section of thick bamboo (2) and reducing to the other end gradually, protection section of thick bamboo (1) external fixation cover is equipped with lantern ring (11), lantern ring (11) slip inlays to be established in a fixed section of thick bamboo (2), circumference has seted up a plurality of grooves (21) that run through on the outer wall of a fixed section of thick bamboo (2), all are run through and all slip in groove (21) and inlay and be equipped with locating part (22), be equipped with on a fixed section of thick bamboo (2) and promote all locating part (22) and slide and support the impeller tightly.

2. A protection device for a servo motor according to claim 1, wherein: the pushing piece is a pushing ring (25) which is sleeved outside the fixed cylinder (2) in a sliding mode, one end, facing the limiting piece (22), of the pushing ring (25) is provided with a pushing face (251) which inclines towards the sleeve ring (11), one side, far away from the sleeve ring (11), of each limiting piece (22) penetrates out of the corresponding through groove (21) and is abutted to the pushing face (251) together, and a locking piece used for locking and fixing the pushing ring (25) is arranged on the fixed cylinder (2).

3. A protection device for a servo motor according to claim 2, wherein: and matching surfaces (23) attached to the pushing surfaces (251) are arranged on one sides of all the limiting pieces (22) penetrating through the corresponding through grooves (21).

4. A protection device for a servo motor according to claim 2, wherein: the outer wall of the lantern ring (11) is provided with a plurality of inserting grooves (24) for the corresponding limiting parts (22) to be inserted in a sliding mode.

5. A protection device for a servo motor according to claim 4, wherein: the fixed cylinder (2) is provided with a plurality of first elastic pieces which drive the corresponding limiting pieces (22) to slide and separate from the inserting grooves (24).

6. A protection device for a servo motor according to claim 4, wherein: run through groove (21) and be equipped with two sets ofly on the outer wall of a fixed cylinder (2), the internal diameter of a fixed cylinder (2) is greater than the external diameter of the lantern ring (11), all locating parts (22) have all been seted up standing groove (28) on the one side of the lantern ring (11) of orientation, all be equipped with in standing groove (28) stopper (281) and promote stopper (281) to contradict in inserting groove (24) towards the second elastic component of the cell wall of notch, all stopper (281) all slide to inlay and establish in corresponding standing groove (28).

7. A protection device for a servo motor according to claim 2, wherein: the locking piece is a threaded section (26) arranged on the outer wall of the fixed barrel (2), and a thread groove in threaded fit with the threaded section (26) is formed in the inner wall of the pushing ring (25).

8. A protection device for a servo motor according to claim 1, wherein: a plurality of elastic spines (3) are circumferentially fixed on the inner wall of the protection cylinder (1), and all the elastic spines (3) deviate from the fixed cylinder (2) to incline.