CN216779949U

CN216779949U - One-way mandrel convenient to install and used for refrigeration equipment

Info

Publication number: CN216779949U
Application number: CN202220477346.0U
Authority: CN
Inventors: 孟伟; 张丽; 孟亚东; 毛强; 毕子芮
Original assignee: Sichuan Weichuang Intelligent Technology Co ltd
Current assignee: Sichuan Weichuang Intelligent Technology Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-06-21
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses a one-way mandrel convenient to install for refrigeration equipment, which comprises a mandrel rod, wherein a threaded hole is formed in the bottom end of the mandrel rod, a through hole is formed in the top end of the mandrel rod, and the inner cavity of the threaded hole is communicated with the inner cavity of the through hole.

Description

One-way mandrel convenient to install and used for refrigeration equipment

Technical Field

The utility model relates to the technical field of one-way mandrels, in particular to a one-way mandrel convenient to install and used for refrigeration equipment.

Background

In the mechanical industry, the one-way mandrel is mainly used for copper pipe bending machines and U-bending machines, and meets the requirements of copper pipes on bending.

The existing one-way mandrel for the refrigeration equipment is generally connected by a threaded connection or a fixed pin between a one-way head and an ejector rod, the two modes are single when in use, the stability is poor, the normal work of the whole equipment can be influenced, the existing one-way mandrel is inconvenient to apply force to the one-way head when being installed, and the installation difficulty is large.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a one-way mandrel for refrigeration equipment, which is convenient to install.

One of the purposes of the utility model is realized by adopting the following technical scheme:

a one-way mandrel for refrigeration equipment convenient to install comprises a mandrel rod, wherein a threaded hole is formed in the upper bottom end of the mandrel rod, a through hole is formed in the upper top end of the mandrel rod, an inner cavity of the threaded hole is communicated with an inner cavity of the through hole, a circular plate is arranged in the position, close to the middle position, of the inner cavity of the threaded hole, a square hole is formed in the center of the bottom of the circular plate, a first spring is arranged at the top of the circular plate in a laminating mode, an ejector rod is arranged at the top end of the first spring in a laminating mode, a first blind hole is formed in the top of the ejector rod, a first internal thread is fixedly connected to the inner side wall of the first blind hole, a first threaded rod is movably connected to the inner cavity of the first blind hole, a connecting rod is fixedly connected to the top end of the first threaded rod, the top end of the connecting rod penetrates through the inner cavity of the through hole and extends to the top of the mandrel rod, and a second blind hole is formed in the top end of the connecting rod, and the inner side wall of the second blind hole is fixedly connected with a second internal thread, the inner cavity of the second blind hole is movably connected with a second threaded rod, and the top end of the second threaded rod is fixedly connected with a one-way head.

Further, be close to left and right sides department on the ejector pin and all seted up first cavity, two first cavity inner chamber all is equipped with the limiting plate, two all run through on the limiting plate and be equipped with the gag lever post, two first perforation has all been seted up to the left and right sides of first cavity, the locating hole, two have all been seted up to the left and right sides of first threaded rod adjacent one end of gag lever post runs through adjacent first perforation inner chamber respectively to peg graft at adjacent locating hole inner chamber respectively, first recess has all been seted up to the left and right sides of ejector pin, two the one end that the gag lever post was kept away from mutually runs through adjacent first perforation inner chamber respectively, extends to adjacent first recess inner chamber to equal fixedly connected with connecting plate, two the outside of gag lever post all overlaps and is equipped with the second spring, just the both ends of second spring respectively with first cavity inside wall and limiting plate fixed connection.

Furthermore, one side that two the link plate kept away from all articulates there is the pull ring, two the pull ring uses the central axis of ejector pin to be bilateral symmetry setting as the symmetry axis.

Furthermore, the outer side wall of the circular plate is fixedly connected with an external thread, and the circular plate is in threaded connection with the inner side wall of the threaded hole through the external thread.

Furthermore, the top left and right sides of ejector pin all laminates and is equipped with the stopper, two one side that the stopper kept away from mutually respectively with screw hole inner chamber left and right sides fixed connection.

Further, the second recess has been seted up at the top of one-way head, just the laminating of second recess inner chamber bottom is equipped with the carousel, the outside edge fixedly connected with a plurality of bull stick of carousel, one-way overhead department of being close to the intermediate position has seted up the second cavity, just the second cavity inner chamber is close to bottom department and is equipped with the square, the top fixedly connected with montant of square, the second has been seted up at the top of second cavity and has been perforated, just the second is perforated the inner chamber to run through on the top of montant to with the bottom centre of a circle department fixed connection of carousel, the outside cover of montant is equipped with the third spring, just the upper and lower both ends of third spring respectively with second cavity inner chamber top and square top fixed connection.

Furthermore, the peripheral outer side walls of the square blocks are mutually attached to the peripheral inner side walls of the second cavity, and the depth of the second cavity is greater than that of the second groove.

Furthermore, the rotating rods are arranged in an annular array shape by taking the circle center of the rotating disc as the center, and the outer side walls of the rotating rods are sleeved with anti-skidding sleeves.

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

1. through the mutual matching of the limiting plate, the limiting rod, the second spring, the connecting plate and the pull ring, after the connecting rod is in threaded connection with the ejector rod through the first threaded rod, the first threaded rod is locked, and the phenomenon that the first threaded rod slides in the process of being screwed for a long time to cause instability of a joint is avoided, so that the normal work of equipment is guaranteed;

2. through mutually supporting between carousel, bull stick, antiskid cover, montant, square and the third spring twist the one-way head and move, the application of force of being convenient for reduces the installation degree of difficulty to the convenience is installed the dabber.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

In the figure: 1. a core shaft lever; 2. a one-way head; 3. a top rod; 4. a connecting rod; 5. a second threaded rod; 6. a second blind hole; 7. a limiting block; 8. a first spring; 9. a circular plate; 10. a threaded hole; 11. a first blind hole; 12. a first threaded rod; 13. a limiting plate; 14. a limiting rod; 15. a connecting plate; 16. a pull ring; 17. a second spring; 18. a turntable; 19. a rotating rod; 20. an anti-slip sleeve; 21. a vertical rod; 22. a square block; 23. a third spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a one-way mandrel for refrigeration equipment convenient to install comprises a mandrel rod 1, a threaded hole 10 is formed at the upper bottom end of the mandrel rod 1, a through hole is formed at the upper top end of the mandrel rod 1, the inner cavity of the threaded hole 10 is communicated with the inner cavity of the through hole, a circular plate 9 is arranged at the position, close to the middle position, of the inner cavity of the threaded hole 10, a square hole is formed at the center of the bottom of the circular plate 9, an external thread is fixedly connected to the outer side wall of the circular plate 9, the circular plate 9 is in threaded connection with the inner side wall of the threaded hole 10 through the external thread, a first spring 8 is attached to the top of the circular plate 9, a top rod 3 is attached to the top end of the first spring 8, limiting blocks 7 are attached to the left side and the right side of the top rod 3, one side, away from the two limiting blocks 7, is fixedly connected to the left side and the right side of the inner cavity of the threaded hole 10, a first blind hole 11 is formed at the top of the top rod 3, and a first internal thread is fixedly connected to the inner side wall of the first

blind hole

11, 11 inner chamber swing joint of first blind hole has first threaded rod 12, and the top fixedly connected with connecting rod 4 of first threaded rod 12, and the through-hole inner chamber is run through on the top of connecting rod 4 to extend to the top of mandrel pole 1, second blind hole 6 has been seted up on the top of connecting rod 4, and 6 inside wall fixedly connected with second internal threads of second blind hole, 6 inner chamber swing joint of second blind hole have second threaded rod 5, and the top fixedly connected with one-way head 2 of second threaded rod 5.

First cavities are formed in the ejector rod 3 close to the left side and the right side, limiting plates 13 are arranged in two first cavity inner cavities, limiting rods 14 penetrate through the two limiting plates 13, first through holes are formed in the left side and the right side of the two first cavities, positioning holes are formed in the left side and the right side of the first threaded rod 12, adjacent ends of the two limiting rods 14 penetrate through the adjacent first through hole inner cavities respectively and are inserted into the adjacent positioning hole inner cavities respectively, first grooves are formed in the left side and the right side of the ejector rod 3, the ends, away from the two limiting rods 14, penetrate through the adjacent first through hole inner cavities respectively and extend to the adjacent first groove inner cavities, connecting plates 15 are fixedly connected with the ends, away from the two connecting plates 15, pull rings 16 are hinged to the sides, away from the two pull rings 16 are arranged in a left-right symmetrical mode by taking the central axis of the ejector rod 3 as a symmetrical axis, and second springs 17 are sleeved on the outer sides of the two limiting rods 14, two ends of the second spring 17 are fixedly connected with the inner side wall of the first cavity and the limiting plate 13 respectively, so that the connecting rod 4 and the ejector rod 3 can be conveniently connected and reinforced, and the stability is improved;

the top of the unidirectional head 2 is provided with a second groove, the bottom of the inner cavity of the second groove is provided with a rotary table 18 in a fitting manner, the outer edge of the rotary table 18 is fixedly connected with a plurality of rotary rods 19, the plurality of rotary rods 19 are arranged in an annular array manner by taking the circle center of the rotary table 18 as the center, the outer side walls of the plurality of rotary rods 19 are all sleeved with anti-skidding sleeves 20, a second cavity is arranged on the unidirectional head 2 close to the middle position, the inner cavity of the second cavity is provided with a square block 22 close to the bottom, the peripheral outer side walls of the square block 22 are all mutually fitted with the peripheral inner side walls of the second cavity, the depth of the second cavity is greater than that of the second groove, the top of the square block 22 is fixedly connected with a vertical rod 21, the top of the second cavity is provided with a second perforation, the top end of the vertical rod 21 penetrates through the inner cavity and is fixedly connected with the circle center of the bottom of the rotary table 18, the outer side of the vertical rod 21 is sleeved with a third spring 23, and the upper and lower ends of the third spring 23 are respectively fixedly connected with the top of the inner cavity and the top of the square block 22, the unidirectional head 2 is convenient to apply force, and the installation is convenient.

The working principle is as follows: when the utility model is used, firstly two pull rings 16 are pulled to be away from each other, the two pull rings 16 are away from each other to drive two connecting plates 15 to be away from each other, the two connecting plates 15 are away from each other to drive two limiting rods 14 to be away from each other, and the adjacent ends of the two limiting rods 14 are respectively retracted into the inner cavities of the first cavities, the first threaded rod 12 is screwed into the inner cavity of the first blind hole 11 by rotating the connecting rod 4, and the two pull rings 16 are loosened to ensure that the two limiting rods 14 are inserted into the inner cavities of the two positioning holes under the action of the resilience force of the adjacent second springs 17, so as to carry out secondary fixation on the first threaded rod 12, avoid the influence of the sliding thread of the first threaded rod 12 on the connection stability of the connecting rod 4 and the ejector rod 3 after long-term use, put the connecting rod 4 and the ejector rod 3 into the core shaft rod 1 from the bottom end of the inner cavity of the threaded hole 10 integrally, put the first spring 8 into the bottom end of the inner cavity of the threaded hole 10 similarly, and simultaneously plug the circular plate 9 into the inner cavity of the threaded hole 10, utilize the external side to insert into the square hole inner chamber with the square hole square bar that matches each other, and rotate plectane 9, thereby screw into 10 inner chamber depths of screw hole with plectane 9, extrude first spring 8 and promote ejector pin 3 rebound through plectane 9 rebound, make the top and two stopper 7 of ejector pin 3 laminate each other, through pulling carousel 18 rebound, and drive montant 21 upwards extension, after carousel 18 shifts up the certain distance, thereby it conveniently twists one-way head 2 to hold a plurality of bull stick 19 through the hand, and then screw into the inner chamber of second blind hole 6 with second threaded rod 5, it is convenient to install, the application of force of being convenient for, screw up the back, loosen carousel 18, make carousel 18 and a plurality of bull stick 19 retract in the second recess inner chamber again under the effect of third spring 23 resilience power can.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a one-way dabber for refrigeration plant convenient to installation, includes dabber pole (1), its characterized in that: the inner cavity of the first blind hole (11) is movably connected with a first threaded rod (12), the top end of the first threaded rod (12) is fixedly connected with a connecting rod (4), the top end of the connecting rod (4) penetrates through the inner cavity of the through hole, and extend to the top of core shaft pole (1), second blind hole (6) have been seted up on the top of connecting rod (4), just second blind hole (6) inside wall fixedly connected with second internal thread, second blind hole (6) inner chamber swing joint has second threaded rod (5), just the top fixedly connected with one-way head (2) of second threaded rod (5).

2. A unidirectional core shaft for a refrigeration device which is easy to install as claimed in claim 1, wherein: first cavity, two have all been seted up near left and right sides department on ejector pin (3) first cavity inner chamber all is equipped with limiting plate (13), two all run through on limiting plate (13) and be equipped with gag lever post (14), two first perforation has all been seted up to the left and right sides of first cavity, the locating hole has all been seted up to the left and right sides of first threaded rod (12), two adjacent one end of gag lever post (14) runs through adjacent first perforation inner chamber respectively to peg graft at adjacent locating hole inner chamber respectively, first recess, two have all been seted up to the left and right sides of ejector pin (3) the one end that gag lever post (14) was kept away from mutually runs through adjacent first perforation inner chamber respectively, extends to adjacent first recess inner chamber to equal fixedly connected with connecting plate (15), two the outside of gag lever post (14) all is overlapped and is equipped with second spring (17), just the both ends of second spring (17) respectively with first cavity inside wall and limiting plate (13) fixed connection.

3. A unidirectional core shaft for a refrigeration device which is easy to install as claimed in claim 2, wherein: two one side that connecting plate (15) kept away from mutually all articulates there is pull ring (16), two pull ring (16) use the central axis of ejector pin (3) to be bilateral symmetry setting as the symmetry axis.

4. A unidirectional core shaft for a refrigeration device which is easy to install as claimed in claim 1, wherein: the outer side wall of the circular plate (9) is fixedly connected with an external thread, and the circular plate (9) is in threaded connection with the inner side wall of the threaded hole (10) through the external thread.

5. A unidirectional core shaft for a refrigeration device which is easy to install as claimed in claim 1, wherein: the top left and right sides of ejector pin (3) all laminate and are equipped with stopper (7), two one side that stopper (7) kept away from mutually respectively with screw hole (10) inner chamber left and right sides fixed connection.

6. A unidirectional core shaft for a refrigeration device which is easy to install as claimed in claim 1, wherein: the second recess has been seted up at the top of one-way head (2), just the laminating of second recess inner chamber bottom is equipped with carousel (18), outside edge fixedly connected with a plurality of bull stick (19) of carousel (18), be close to intermediate position department on one-way head (2) and seted up the second cavity, just second cavity inner chamber is close to bottom department and is equipped with square (22), the top fixedly connected with montant (21) of square (22), the second perforation has been seted up at the top of second cavity, just the second perforation inner chamber is run through on the top of montant (21) to with the bottom centre of a circle department fixed connection of carousel (18), the outside cover of montant (21) is equipped with third spring (23), just the upper and lower both ends of third spring (23) respectively with second cavity inner chamber top and square (22) top fixed connection.

7. A unidirectional spindle for a refrigeration unit to facilitate installation as claimed in claim 6, wherein: the peripheral outer side walls of the square blocks (22) are mutually attached to the peripheral inner side walls of the second cavity, and the depth of the second cavity is larger than that of the second groove.

8. A unidirectional spindle for a refrigeration unit to facilitate installation as claimed in claim 6, wherein: the rotating rods (19) are arranged in an annular array shape by taking the circle center of the rotating disc (18) as the center, and the outer side walls of the rotating rods (19) are all sleeved with anti-skidding sleeves (20).