CN221120403U

CN221120403U - Main shaft with good stability

Info

Publication number: CN221120403U
Application number: CN202323124951.3U
Authority: CN
Inventors: 林菊芳; 黄能
Original assignee: Shanghai Benling Scroll Compressor Co ltd
Current assignee: Shanghai Benling Scroll Compressor Co ltd
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-06-11
Anticipated expiration: 2033-11-20

Abstract

The utility model provides a spindle with good stability, which relates to the field of compressor accessories and aims to solve the problems that a common spindle of a vortex compressor can generate virtual position to fluctuate after long-time operation and the stability is reduced linearly to influence the service life. In the process of spindle rotation, the spring and the pressing clamping component continuously push the stressed clamping structure by means of elasticity, the stressed clamping structure continuously clamps the spindle in a stressed manner, the stability of the spindle is improved, and the occurrence of virtual positions or fluctuation is avoided.

Description

Main shaft with good stability

Technical Field

The utility model belongs to the technical field of compressor accessories, and particularly relates to a spindle with good stability.

Background

The scroll compressor is a positive displacement compression compressor, the compression part comprises movable scroll and fixed scroll, including making the branch way of the gas through the compressor casing in order to reduce many structural features of entrained oil, the inside intermediate position of scroll compressor installs the main shaft generally for transmission power, and the main shaft is in the same place usually with the impeller, drive impeller rotation use together simultaneously, and the main shaft of the common scroll compressor in market can produce the virtual position and undulant after long-time operation, stability straight line decline influences life, and the main shaft is got up comparatively laborious with the impeller connection, and joint strength is weaker, easy becoming flexible.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a spindle with good stability, so as to solve the problems that the spindle of a common vortex compressor can generate virtual position fluctuation after long-time operation, and the stability is reduced linearly, so that the service life is influenced.

The utility model relates to a spindle with good stability, which comprises the following components: a main shaft; the front end of the main shaft is provided with a moving groove for guiding, the front end of the moving groove is embedded with a contact fixing assembly and moves up and down in the moving groove, the outside of the contact fixing assembly is provided with a transverse and longitudinal anti-slip groove, and the bottom of the tail end of the contact fixing assembly is provided with a stress groove with an inclined structure; the installation supporting component, two installation supporting component installs the outside at the main shaft and uses, and installation supporting component is fixed with the clamping part that pushes down through supporting component, and the clamping part symmetry that pushes down of every two elastic metal materials sets up, and the bottom is arc structure's clamping part that pushes down and atress clamping structure sliding contact, and atress clamping structure centre gripping main shaft installation, main shaft are in atress clamping structure's inside rotation.

Optionally, four positioning components are fixed outside the main shaft, one installation supporting component is positioned outside each two positioning components, an adjusting groove is arranged at the front end of the main shaft and is positioned behind the moving groove, and the adjusting groove with threads is communicated with the moving groove through a round hole; the rear end of the T-shaped structure is internally provided with a pushing displacement assembly, the inside of the adjusting groove is provided with a rotation adjusting assembly capable of freely controlling rotation through threads, and the front end of the rotation adjusting assembly is of a circular plate-shaped structure; the front end is wedge structure promote displacement subassembly and insert in the atress inslot to freely slide in the inside in atress inslot, promote the fixed subassembly atress of contact after the displacement subassembly slides forward, promote the rear end welded fastening of displacement subassembly and have cylindrical structure's atress drive assembly, and drive and promote displacement subassembly and remove together, promote the displacement subassembly and insert inside the round hole, and freely pull in the round hole inside, promote the front end contact of displacement subassembly and contact fixed subassembly, and by the fixed subassembly promotion displacement of contact.

Optionally, the outside of the installation support component is fixed with annular staggered connection components, the connection components are connected with the inside of the scroll compressor through bolts, and the inside of the installation support component is symmetrically welded with two support components; a guide groove with a T-shaped structure is arranged in each supporting part, a guide inner rod is welded in the middle of the guide groove, and a spring is sleeved at the top end of the guide inner rod with a rectangular bottom end; the inside of guide slot has inserted the moving head to freely reciprocate in the inside of guide slot, the inside of moving head has inserted the guide interior pole, and the top of moving head contacts with the bottom of spring, and the inboard of atress clamping structure is equipped with the ball that can freely rotate, and the ball contacts with the main shaft outside.

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

1. After the impeller is spliced with the front end of the main shaft, a spanner is used for controlling the rotary displacement of the rotary adjusting assembly, controlling the stress transmission assembly and pushing the displacement assembly to move, pushing the displacement assembly to move in the stress groove, pushing the contact fixing assembly to contact with the inside of the impeller through the anti-skid groove, rapidly fixing the impeller, and stably fixing the impeller to avoid loosening;

2. In the process of spindle rotation, the spring and the pressing clamping component continuously push the stressed clamping structure by means of elasticity, the stressed clamping structure continuously clamps the spindle in a stressed manner, the stability of the spindle is improved, and the occurrence of virtual positions or fluctuation is avoided.

Drawings

Fig. 1 is a schematic overall perspective view of the present utility model.

Fig. 2 is a partial perspective view of the present utility model.

Fig. 3 is a schematic view of a partially sectioned exploded perspective view of the present utility model.

Fig. 4 is a partially sectioned exploded bottom view schematic of the present utility model.

Fig. 5 is an exploded perspective view of the mounting support member of the present utility model.

Fig. 6 is an exploded bottom view of the mounting support of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. A main shaft; 101. a positioning assembly; 102. an adjustment tank; 103. a moving groove; 104. a rotation adjustment assembly; 105. a touch fixing assembly; 106. a stress groove; 107. pushing the displacement assembly; 108. a force transmission assembly;

2. Mounting a supporting component; 201. a connecting member; 202. a support member; 203. a guide groove; 204. a guide inner rod; 205. pressing down the clamping member; 206. a moving head; 207. a stress clamping structure; 208. and (3) rolling balls.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Embodiment one:

As shown in fig. 1 to 6:

The utility model provides a spindle with good stability, which comprises: a main shaft 1; the front end of the main shaft 1 is provided with a moving groove 103 for guiding, the front end of the moving groove 103 is embedded with a contact fixing assembly 105, the contact fixing assembly moves up and down in the moving groove 103, after moving up, the contact fixing assembly is convenient to contact and fix with an impeller, the fixing effect is improved, the outer part of the contact fixing assembly 105 is provided with a transverse and longitudinal anti-slip groove, the anti-slip contact fixing is realized, the bottom of the tail end of the contact fixing assembly 105 is provided with a stress groove 106 with an inclined structure inside, the push displacement assembly 107 is controlled to displace in the push displacement assembly, and the contact fixing assembly 105 is convenient to push to rise and limit; the installation support component 2, two installation support components 2 are installed and are used in the outside of main shaft 1, installation support component 2 is fixed with the clamping part 205 that pushes down through supporting part 202, the clamping part 205 symmetry that pushes down of every two elastic metal materials sets up, the bottom is arc structure's clamping part 205 that pushes down and atress clamping structure 207 sliding contact, constantly promote atress clamping structure 207 centre gripping main shaft 1, improve the stability of main shaft 1, atress clamping structure 207 centre gripping main shaft 1 installs, main shaft 1 is in the inside rotation of atress clamping structure 207, avoid main shaft 1 to appear great fluctuation.

Referring to fig. 4, four positioning components 101 are fixed on the outside of the main shaft 1, the stress clamping structures 207 are used in the two stress clamping structures 207, so that dislocation sliding of the stress clamping structures 207 is avoided, one mounting support component 2 is positioned on the outside of each two positioning components 101, an adjusting groove 102 is arranged at the front end of the main shaft 1, the adjusting groove 102 is positioned behind the moving groove 103, and the adjusting groove 102 with threads is communicated with the moving groove 103 through a round hole; the rear end of the T-shaped structure moving groove 103 is internally provided with a pushing displacement assembly 107, the inside of the adjusting groove 102 is provided with a rotation adjusting assembly 104 which can be freely controlled and rotated through threads, after the rotation adjusting assembly 104 is controlled to rotate, the stress transmission assembly 108 and the pushing displacement assembly 107 are conveniently controlled to displace, the fixed strength is adjusted, and the front end of the rotation adjusting assembly 104 is of a circular plate structure; the front end is the promotion displacement subassembly 107 of wedge structure inserts in atress inslot 106 to freely slide in the inside of atress inslot 106, promote the fixed subassembly 105 atress of contact after promoting the displacement subassembly 107 and rise, the rear end welded fastening of promotion displacement subassembly 107 has the atress transmission subassembly 108 of cylindrical structure, and drive and promote the displacement subassembly 107 and remove together, promote the displacement subassembly 107 and insert in the round hole inside, and freely pull in the round hole inside, promote the displacement subassembly 107 and contact with the front end of fixed subassembly 105 of contact, and promote the displacement by fixed subassembly 105, after the displacement, drive and promote the displacement subassembly 107 and remove together.

Referring to fig. 5, the outside of the installation support member 2 is fixed with connection members 201 in annular staggered arrangement, the connection members 201 are connected with the inside of the scroll compressor through bolts, the installation support member 2 is controlled to be positioned and installed for use, two support members 202 are symmetrically welded in the installation support member 2, and the installation moving head 206 is positioned and supported; a guide groove 203 with a T-shaped structure is arranged in each support part 202, a guide inner rod 204 is welded in the middle of the guide groove 203, a spring is sleeved at the top end of the guide inner rod 204 with a rectangular structure at the bottom end, and the moving head 206 is continuously pushed to move downwards for displacement; the inside of the guide groove 203 is inserted with a moving head 206, and freely moves up and down in the inside of the guide groove 203, the inside of the moving head 206 is inserted with a guiding inner rod 204, the top end of the moving head 206 contacts with the bottom end of the spring to receive the dynamic displacement of the spring, the inner side of the stress clamping structure 207 is provided with a freely rotatable ball 208, and the ball 208 contacts with the outside of the main shaft 1 and rotates outside the main shaft 1.

Embodiment two: the impeller is damaged, the rotation adjustment assembly 104 can move reversely, the impeller is loosened conveniently, and the position of the impeller is disassembled rapidly.

When in use, the utility model is characterized in that: before installation, the front end of the main shaft 1 is controlled to be connected with the front end of the main shaft 1, the front end of the main shaft 1 is inserted into the impeller, then the spanner is used for controlling the rotary displacement of the rotary adjustment assembly 104, after the rotary adjustment assembly 104 moves, the front end of the rotary adjustment assembly 104 is contacted with the stress transmission assembly 108 and pushes the stress transmission assembly 108 to move and displace together, the stress transmission assembly 108 controls the push displacement assembly 107 to move, the push displacement assembly 107 moves forwards in the moving groove 103 and the stress groove 106 and simultaneously slides and displaces with the inside of the stress groove 106, the push contact fixing assembly 105 is convenient and fast to force up, the impeller is conveniently fixed through the anti-loosening groove, the impeller is prevented from loosening, the main shaft 1 is controlled to drive the installation support component 2 and all components to be inserted into the vortex compressor, then the connection component 201 is connected through bolts, the main shaft 1 is driven to be positioned and connected for use, in the process of the operation of the main shaft 1, the stress clamping structure 207 is continuously pressed by means of the elasticity, the stress clamping structure 207 is continuously pressed by the balls 208, and the stress clamping structure 207 presses the main shaft 1, and the stability of the main shaft 1 is improved.

Claims

1. A spindle with good stability, comprising:

A main shaft (1); the front end of the main shaft (1) is provided with a moving groove (103) for guiding, the front end of the moving groove (103) is embedded and provided with a contact fixing assembly (105), the contact fixing assembly moves up and down in the moving groove (103), the outside of the contact fixing assembly (105) is provided with a transverse and longitudinal anti-skid groove, and the bottom of the tail end of the contact fixing assembly (105) is provided with a stress groove (106) with an inclined structure;

The device comprises mounting support components (2), wherein two mounting support components (2) are mounted outside a main shaft (1), the mounting support components (2) are fixedly provided with pressing clamping components (205) through support components (202), every two pressing clamping components (205) made of elastic metal materials are symmetrically arranged, the bottom ends of the pressing clamping components (205) are arc-shaped, the pressing clamping components are in sliding contact with a stress clamping structure (207), the stress clamping structure (207) clamps the main shaft (1), and the main shaft (1) is located in internal rotation of the stress clamping structure (207).

2. The spindle with good stability according to claim 1, characterized in that four positioning components (101) are fixed on the outside of the spindle (1), one mounting support component (2) is positioned on the outside of each two positioning components (101), an adjusting groove (102) is arranged at the front end of the spindle (1), the adjusting groove (102) is positioned behind the moving groove (103), and the adjusting groove (102) with threads is communicated with the moving groove (103) through a round hole.

3. A spindle with good stability as claimed in claim 2, characterized in that the rear end of the moving groove (103) of the T-shaped structure is internally provided with a pushing displacement assembly (107), the inside of the adjusting groove (102) is provided with a rotation adjusting assembly (104) which can be freely operated and rotated by threads, and the front end of the rotation adjusting assembly (104) is of a circular plate-shaped structure.

4. A spindle with good stability according to claim 3, wherein the pushing displacement assembly (107) with a wedge-shaped front end is inserted into the stress groove (106) and slides freely in the stress groove (106), after the pushing displacement assembly (107) slides forwards, the pushing contact fixing assembly (105) is lifted by force, the rear end of the pushing displacement assembly (107) is welded and fixed with the force transmission assembly (108) with a cylindrical structure, and drives the pushing displacement assembly (107) to move together, the pushing displacement assembly (107) is inserted into the round hole and pulled freely in the round hole, and the pushing displacement assembly (107) contacts with the front end of the contact fixing assembly (105) and is pushed to displace by the contact fixing assembly (105).

5. A spindle with good stability as claimed in claim 1, characterized in that the outer part of the mounting support member (2) is fixed with annular staggered connection members (201), the connection members (201) are connected with the inside of the scroll compressor by bolts, and the inside of the mounting support member (2) is symmetrically welded with two support members (202).

6. A spindle with good stability as claimed in claim 5, characterized in that the inside of each supporting member (202) is provided with a guide groove (203) of T-shaped structure, the middle position of the guide groove (203) is welded with a guide inner rod (204), and the top end of the guide inner rod (204) with a rectangular bottom end is sleeved with a spring.

7. A spindle with good stability as claimed in claim 6, characterized in that the inside of the guide groove (203) is inserted with a moving head (206) and moves freely up and down inside the guide groove (203), the inside of the moving head (206) is inserted with a guiding inner rod (204), the top end of the moving head (206) is in contact with the bottom end of the spring, the inside of the force-bearing holding structure (207) is provided with a freely rotatable ball (208), and the ball (208) is in contact with the outside of the spindle (1).