CN216867434U

CN216867434U - PK groove air-conditioning compressor for excavator

Info

Publication number: CN216867434U
Application number: CN202122758971.0U
Authority: CN
Inventors: 覃文林; 郑国锦
Original assignee: Guangzhou Lianan Automobile Air Conditioning Parts Co ltd
Current assignee: Guangzhou Lianan Automobile Air Conditioning Parts Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-07-01
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a PK groove air-conditioning compressor for an excavator, which comprises a host and an annular shell, wherein the annular shell is fixedly connected to a rotating shaft of the host, an annular plate is movably connected to the side wall of an inner cavity of the annular shell, and an adjusting mechanism is arranged in the annular shell. According to the belt tensioning device, the adjusting mechanism, the first arc-shaped plate and the second arc-shaped plate are arranged, and the movable plate can drive the first arc-shaped plate and the second arc-shaped plate to move through the movement of the adjusting mechanism, so that the belt tensioning operation can be conveniently realized, and the belt tensioning device is convenient to adjust, operate and use; through being provided with movable mechanism and second arc, after first arc and second arc relative position change, the curb plate on the movable mechanism moves to first arc center under the effect of second spring, can be convenient for the motion of leather packing through curb plate and second arc, effectively avoids the leather packing to drop, excellent in use effect. The utility model has the advantages of convenient tensioning adjustment and good use effect.

Description

PK groove air-conditioning compressor for excavator

Technical Field

The utility model relates to the technical field of compressors, in particular to a PK (PK) groove air-conditioning compressor for an excavator.

Background

The excavator in the prior art is provided with an air conditioning system in a cab so as to ensure that a driver can have a comfortable operating environment at different ambient temperatures, wherein an air conditioning compressor is an important component of an air conditioner of the excavator. PK groove air condition compressor for excavator of prior art need use the belt to be connected with power unit when using, after long-time, the condition that the not hard up setting of belt dropped very easily appears to very big influence PK groove air condition compressor's for excavator normal use, and prior art adjusts the inconvenience of operation ten minutes to the tensioning of leather packing, and this is prior art's weak point. Based on the reasons, the utility model provides a PK groove air conditioner compressor for an excavator to solve the defects of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that a belt in the prior art is easy to fall off and inconvenient to adjust, and provides a PK (PK) groove air-conditioning compressor for an excavator. The PK groove air conditioner compressor for the excavator has the characteristics of convenience in tensioning adjustment, good using effect and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: the PK groove air-conditioning compressor for the excavator comprises a main machine, wherein an annular shell is fixedly connected to a rotating shaft of the main machine, the side wall of the inner cavity of the annular shell is movably connected with an annular plate, an adjusting mechanism is arranged in the annular shell, four side grooves are uniformly distributed on the annular plate, movable plates are movably connected in the side grooves, one side of the movable plate, which is far away from the annular plate, penetrates through the outer side wall of the annular shell and is fixedly connected with a first arc-shaped plate and a second arc-shaped plate respectively, the two first arc-shaped plates are arranged in a vertical symmetry manner, the two second arc-shaped plates are arranged in a front-back symmetry manner, a first arc-shaped groove is formed on one side of the first arc-shaped plate, which is far away from the movable plate, a second arc-shaped groove is formed on one side of the second arc-shaped plate, which is far away from the movable plate, the second arc-shaped plate is movably connected with the first arc-shaped grooves on two sides respectively, and a plurality of moving mechanisms are uniformly distributed in the first arc-shaped grooves.

Preferably, the adjusting mechanism comprises a rack, the side wall of the annular plate is fixedly connected with the rack, the rack is arranged in an arc shape, one side of the rack is engaged with a gear, the center of the side wall of the gear is fixedly connected with a circular shaft, both ends of the circular shaft are movably connected with the annular shell, a movable hole is arranged on the side wall of one end of the circular shaft, which is far away from the host, a movable rod is movably connected in the movable hole, the movable rod is fixedly connected with a first spring at one end of the inner cavity of the movable hole, the other end of the first spring is fixedly connected with the inner side wall of the movable hole, one end of the movable rod, which is far away from the first spring, penetrates through the annular shell and is fixedly connected with an annular plate, one side of the annular plate, which is far away from the movable rod, is fixedly connected with a handle, the side of the annular plate, which is close to the movable rod, is uniformly distributed and fixedly connected with a plurality of inserting rods, the outer side wall of the annular shell, which is close to the annular plate, is uniformly distributed and provided with a plurality of inserting holes, the insertion rod is inserted into the insertion hole.

Preferably, the activity mechanism includes the curb plate, the movable slot has been seted up to the symmetry in the first arc wall, both sides all be equipped with a plurality of curb plate in the movable slot, the curb plate is L shape setting, equal fixedly connected with horizontal pole on the lateral wall of first arc wall center one side is kept away from to the curb plate, the horizontal pole runs through first arc wall and fixedly connected with flat board, swing joint between horizontal pole and the first arc, the cover is equipped with the second spring on the horizontal pole, second spring one end and first arc lateral wall fixed connection, the second spring other end and dull and stereotyped fixed connection.

Preferably, a circular groove is formed in the inner side wall of the inner cavity of the annular shell, a plurality of fixing blocks are uniformly and fixedly connected to the inner side wall of the annular plate, and the fixing blocks are movably connected with the circular groove.

Preferably, the side groove inner side wall is provided with sliding grooves, the movable plate is close to one side of the annular plate and is fixedly connected with sliding blocks, and the sliding blocks are movably connected with the sliding grooves.

Preferably, the cross sections of the movable hole and the movable rod are both rectangular.

Preferably, the side walls of the two sides of the side plate are obliquely arranged.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the belt tensioning device, the adjusting mechanism, the first arc-shaped plate and the second arc-shaped plate are arranged, and the movable plate can drive the first arc-shaped plate and the second arc-shaped plate to move through the movement of the adjusting mechanism, so that the belt tensioning device can conveniently tension a belt and is convenient to adjust, operate and use;

2. through being provided with movable mechanism and second arc, after first arc and second arc relative position change, the curb plate on the movable mechanism moves to first arc center under the effect of second spring, can be convenient for the motion of leather packing through curb plate and second arc, effectively avoids the leather packing to drop, excellent in use effect.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic top view of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the internal structure of the annular housing of the present invention;

FIG. 5 is an enlarged view of FIG. 4 taken at A.

Reference numbers in the figures: 1. a host; 2. an annular shell; 3. an annular plate; 4. an adjustment mechanism; 5. a side groove; 6. a movable plate; 7. a first arc-shaped plate; 8. a second arc-shaped plate; 9. a first arc-shaped slot; 10. a second arc-shaped slot; 11. a movable mechanism; 12. a rack; 13. a gear; 14. a circular shaft; 15. a movable hole; 16. a movable rod; 17. a first spring; 18. a circular plate; 19. a handle; 20. inserting a rod; 21. a jack; 22. a side plate; 23. a cross bar; 24. a second spring; 25. a circular groove; 26. a fixed block; 27. a chute; 28. a slider; 29. and (4) flat plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the PK groove air-conditioning compressor for the excavator comprises a main machine 1, wherein an annular shell 2 is fixedly connected to a rotating shaft of the main machine 1, an annular plate 3 is movably connected to the side wall of an inner cavity of the annular shell 2, a circular groove 25 is formed in the inner side wall of the inner cavity of the annular shell 2, a plurality of fixed blocks 26 are uniformly and fixedly connected to the inner side wall of the annular plate 3, the fixed blocks 26 are movably connected with the circular groove 25, an adjusting mechanism 4 is arranged in the annular shell 2, the adjusting mechanism 4 comprises a rack 12, a rack 12 is fixedly connected to the side wall of the annular plate 3, the rack 12 is arranged in an arc shape, a gear 13 is meshed with one side of the rack 12, a circular shaft 14 is fixedly connected to the center of the side wall of the gear 13, two ends of the circular shaft 14 are movably connected with the annular shell 2, a movable hole 15 is formed in the side wall of the circular shaft 14, which is far away from one end of the main machine 1, a movable rod 16 is movably connected in the movable hole 15, the sections of the movable hole 15 and the movable rod 16 are both arranged in a rectangular shape, one end of the movable rod 16, which is positioned in an inner cavity of the movable hole 15, is fixedly connected with a first spring 17, the other end of the first spring 17 is fixedly connected with the inner side wall of the movable hole 15, one end of the movable rod 16, which is far away from the first spring 17, penetrates through the annular shell 2 and is fixedly connected with a circular plate 18, one side of the circular plate 18, which is far away from the movable rod 16, is fixedly connected with a handle 19, one side of the circular plate 18, which is close to the movable rod 16, is uniformly distributed and fixedly connected with a plurality of insertion rods 20, a plurality of insertion holes 21 are uniformly distributed on the outer side wall of the annular shell 2, which is close to the circular plate 18, the insertion rods 20 are inserted into the insertion holes 21, so that the position adjustment operation of the first arc-shaped plate 7 and the position adjustment operation of the second arc-shaped plate 8 are realized, thereby the belt tensioning operation can be conveniently realized, and the use effect is good;

four side grooves 5 are uniformly distributed on the annular plate 3, movable plates 6 are movably connected in the side grooves 5, sliding grooves 27 are formed in the inner side walls of the side grooves 5, sliding blocks 28 are fixedly connected to one sides, close to the annular plate 3, of the movable plates 6, the movable plates 28 are movably connected with the sliding grooves 27, one sides, far away from the annular plate 3, of the movable plates 6 penetrate through the outer side wall of the annular shell 2 and are fixedly connected with first arc-shaped plates 7 and second arc-shaped plates 8 respectively, the two first arc-shaped plates 7 are symmetrically arranged up and down, the two second arc-shaped plates 8 are symmetrically arranged front and back, one sides, far away from the movable plate 6, of the first arc-shaped plates 7 are provided with first arc-shaped grooves 9, one sides, far away from the movable plate 6, of the second arc-shaped plates 8 are provided with second arc-shaped grooves 10, the second arc-shaped plates 8 are movably connected with the first arc-shaped grooves 9 on two sides respectively, and tensioning of a belt can be conveniently realized;

evenly distributed is provided with a plurality of moving mechanism 11 in first arc 9, moving mechanism 11 includes curb plate 22, the movable wall has been seted up to the symmetry in first arc 9, all be equipped with a plurality of curb plate 22 in the movable wall of both sides, curb plate 22 is the setting of L shape, the both sides lateral wall of curb plate 22 all is the slope setting, be convenient for second arc 8's motion, equal fixedly connected with horizontal pole 23 on curb plate 22 keeps away from the lateral wall of first arc 9 center one side, horizontal pole 23 runs through first arc 7 lateral wall and fixedly connected with flat board 29, swing joint between horizontal pole 23 and the first arc 7, the cover is equipped with second spring 24 on horizontal pole 23, second spring 24 one end and 7 lateral wall fixed connection of first arc, the 24 other end of second spring and flat board 29 fixed connection, can realize the spacing operation to the belt, make the belt move stably and be difficult for droing.

The working principle is as follows: when the device is used, firstly, a belt penetrates through a position between the second arc-shaped groove 10 and the side plate 22, then the circular plate 18 is pulled by the handle 19 to move, so that the movable rod 16 moves in the movable hole 15, the first spring 17 is stretched, the inserted rod 20 is pulled out from the insertion hole 21, then the circular plate 18 is driven by the handle 19 to rotate, the movable rod 16 on the circular plate 18 drives the circular shaft 14 to rotate, the gear 13 on the circular shaft 14 is meshed with the rack 12 to move, the rack 12 drives the annular plate 3 to rotate in the inner cavity of the annular shell 2, the fixed block 26 on the annular plate 3 moves in the circular groove 25 on the inner side wall of the annular shell 2, the slide block 28 on the movable plate 6 can move in the slide groove 27 in the side groove 5 through the rotation of the annular plate 3, so that the movable plate 6 drives the first arc-shaped plate 7 and the second arc-shaped plate 8 to move, the second arc-shaped plate 8 moves in the first arc-shaped groove 9 on the first arc-shaped plate 7, change the interval at first arc 7 and second arc 8 to host computer 1 pivot center, the realization is to the tensioning operation of belt, then loosen handle 19, make first spring 17 drive the motion of movable rod 16, the inserted bar 20 on the plectane 18 inserts in the jack 21 on the annular shell 2 lateral wall, the realization is to plectane 18 and movable rod 16's location locking, the location of accomplishing the tensioning regulation, and make horizontal pole 23 drive curb plate 22 to the central one side motion of first arc 9 under the effect of second spring 24 simultaneously, make curb plate 22 one end to the both sides of belt, carry on spacingly through second arc 10 and curb plate 22 to the belt, effectually avoid droing of belt, excellent in use effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. PK groove air condition compressor for excavator, including host computer (1), its characterized in that: the rotating shaft of the main machine (1) is fixedly connected with an annular shell (2), the inner cavity side wall of the annular shell (2) is movably connected with an annular plate (3), an adjusting mechanism (4) is arranged in the annular shell (2), the annular plate (3) is uniformly distributed with four side grooves (5), the side grooves (5) are internally and respectively movably connected with a movable plate (6), one side of the movable plate (6) far away from the annular plate (3) penetrates through the outer side wall of the annular shell (2) and is respectively fixedly connected with a first arc-shaped plate (7) and a second arc-shaped plate (8), the two first arc-shaped plates (7) are symmetrically arranged from top to bottom, the two second arc-shaped plates (8) are symmetrically arranged from front to back, one side of the first arc-shaped plate (7) far away from the movable plate (6) is provided with a first arc-shaped groove (9), one side of the second arc-shaped plate (8) far away from the movable plate (6) is provided with a second arc-shaped groove (10), the second arc-shaped plates (8) are respectively movably connected with the first arc-shaped grooves (9) on two sides, and a plurality of moving mechanisms (11) are uniformly distributed in the first arc-shaped grooves (9).

2. The PK tank air conditioner compressor for excavator according to claim 1, wherein: the adjusting mechanism (4) comprises a rack (12), the side wall of the annular plate (3) is fixedly connected with the rack (12), the rack (12) is arranged in an arc shape, one side of the rack (12) is meshed with a gear (13), the center of the side wall of the gear (13) is fixedly connected with a circular shaft (14), the two ends of the circular shaft (14) are movably connected with the annular shell (2), the side wall of one end, away from the host (1), of the circular shaft (14) is provided with a movable hole (15), the movable hole (15) is internally and movably connected with a movable rod (16), the movable rod (16) is positioned at one end of the inner cavity of the movable hole (15) and is fixedly connected with a first spring (17), the other end of the first spring (17) is fixedly connected with the inner side wall of the movable hole (15), one end, away from the first spring (17), of the movable rod (16) penetrates through the annular shell (2) and is fixedly connected with a circular plate (18), activity pole (16) one side fixedly connected with handle (19) are kept away from in plectane (18), plectane (18) are close to activity pole (16) one side evenly distributed fixedly connected with a plurality of inserted bar (20), annular shell (2) lateral wall is close to plectane (18) department evenly distributed and has seted up a plurality of jack (21), inserted bar (20) insert jack (21).

3. The PK tank air conditioner compressor for excavator according to claim 1, wherein: moving mechanism (11) include curb plate (22), the movable wall has been seted up to first arc wall (9) internal symmetry, both sides all be equipped with a plurality of curb plate (22) in the movable wall, curb plate (22) are the setting of L shape, equal fixedly connected with horizontal pole (23) on the lateral wall of first arc wall (9) center one side is kept away from in curb plate (22), horizontal pole (23) run through first arc wall (7) lateral wall and fixedly connected with are dull and stereotyped (29), swing joint between horizontal pole (23) and first arc wall (7), the cover is equipped with second spring (24) on horizontal pole (23), second spring (24) one end and first arc wall (7) lateral wall fixed connection, the second spring (24) other end and dull and stereotyped (29) fixed connection.

4. The PK tank air conditioner compressor for excavator according to claim 1, wherein: circular slot (25) have been seted up on annular shell (2) inner chamber inside wall, evenly distributed fixedly connected with a plurality of fixed block (26) on the inside wall of annular plate (3), swing joint between fixed block (26) and circular slot (25).

5. The PK tank air conditioner compressor for excavator according to claim 1, wherein: all seted up spout (27) on the side slot (5) inside wall, equal fixedly connected with slider (28) is close to annular plate (3) one side in fly leaf (6), swing joint between slider (28) and spout (27).

6. The PK tank air conditioner compressor for excavator according to claim 2, wherein: the sections of the movable hole (15) and the movable rod (16) are both rectangular.

7. The PK tank air conditioner compressor for excavator according to claim 3, wherein: the lateral walls of the two sides of the lateral plate (22) are obliquely arranged.