CN214699822U

CN214699822U - Vibration damper for refrigeration compressor

Info

Publication number: CN214699822U
Application number: CN202120856662.4U
Authority: CN
Inventors: 王才恩
Original assignee: Beijing Han'er Refrigeration Equipment Engineering Co ltd
Current assignee: Beijing Han'er Refrigeration Equipment Engineering Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-12
Anticipated expiration: 2031-04-23

Abstract

The application relates to a vibration damper for a refrigeration compressor, which relates to refrigeration equipment and comprises a bottom plate, wherein a plurality of upright posts which are arranged in one-to-one correspondence with compressor support legs are fixedly connected to the bottom plate, a support member for supporting the compressor support legs is sleeved on each upright post, a vibration damping spring is arranged between each support member and the bottom plate, and the upper ends of the upright posts are provided with limiting structures for limiting the compressor support legs to be separated from the upright posts; the supporting piece comprises an inner cylinder sleeved on the vertical rod, a bearing plate fixedly connected to the peripheral surface of the inner cylinder and in contact with the damping spring, an outer cylinder coaxially arranged with the inner cylinder and abutted against the bearing plate, and a transverse spring connected with the inner cylinder and the outer cylinder, wherein the outer cylinder is sleeved with the compressor and is used for supporting the compressor. The vibration reduction effect of the vibration reduction device on the compressor is improved.

Description

Vibration damper for refrigeration compressor

Technical Field

The application relates to refrigeration equipment, in particular to a vibration reduction device for a refrigeration compressor.

Background

The refrigeration compressor is mainly used for refrigerating food, various goods and air conditioning of cabins in summer. The compressor mainly comprises a compressor, an expansion valve, an evaporator, a condenser, accessories and pipelines, wherein the compressor can generate continuous vibration when in work.

Chinese patent application No. CN1291202C discloses a resilient member for vibration-damped refrigerator, which comprises a hollow-shaped compressor seat portion for seating the compressor thereon, and having an axial support portion supporting a compression load from the compressor; and a hollow base disposed at a lower portion of the hollow compressor support part for supporting the hollow compressor support part, and having an average radius different from that of the axial support part; wherein the base includes at least one annular groove disposed on at least one of an inner circumferential surface or an outer circumferential surface of the base.

In view of the above-mentioned related art, the inventor found that the elastic member has a good damping effect on the vertical direction of the compressor, but has a poor damping effect on the lateral vibration of the compressor.

SUMMERY OF THE UTILITY MODEL

In order to improve the damping effect of damping device to the compressor, this application provides a damping device for compressor.

The application provides a damping device for a refrigeration compressor adopts following technical scheme:

a vibration damping device for a refrigeration compressor comprises a bottom plate, wherein a plurality of vertical rods which are arranged in one-to-one correspondence with compressor support legs are fixedly connected to the bottom plate, a supporting piece for supporting the compressor support legs is sleeved on each vertical rod, a vibration damping spring is arranged between each supporting piece and the bottom plate, and a limiting structure for limiting the separation of the compressor support legs from the vertical rods is arranged at the upper ends of the vertical rods;

the supporting piece comprises an inner cylinder sleeved on the vertical rod, a bearing plate fixedly connected to the peripheral surface of the inner cylinder and in contact with the damping spring, an outer cylinder coaxially arranged with the inner cylinder and abutted against the bearing plate, and a transverse spring connected with the inner cylinder and the outer cylinder, wherein the outer cylinder is sleeved with the compressor and is used for supporting the compressor.

By adopting the technical scheme, when the compressor is started to work, the outer cylinder is extruded by the vertical vibration generated by the compressor, so that the bearing plate moves along the axis direction of the vertical rod, the damping spring is driven to deform, and the vertical vibration is absorbed by the damping spring; the horizontal vibration that the compressor produced can order about the urceolus and take place the horizontal direction and remove, makes the horizontal spring between inner tube and the urceolus take place to deform like this, can absorb horizontal vibration when the horizontal spring takes place to deform, has improved the damping effect of vibration damper to the compressor like this.

Optionally, the limiting structure comprises a mounting groove formed in the upper end of the vertical rod, a clamping plate capable of rotating all around is arranged in the mounting groove, when the clamping plate is perpendicular to the vertical rod, the clamping plate blocks the support leg of the compressor to be separated from the vertical rod, and when the clamping plate and the vertical rod are arranged along the same straight line, the blocking of the clamping plate to the support leg of the compressor is removed.

Through adopting above-mentioned technical scheme, when cardboard and pole setting were in same straight line, the stabilizer blade of compressor can embolia cardboard and pole setting on, then the staff rotates the cardboard for cardboard and pole setting mutually perpendicular, the cardboard supports at the upper surface of compressor stabilizer blade this moment, and the cardboard breaks away from the pole setting to the compressor stabilizer blade like this and produces and block the effect.

Optionally, the bar hole of laying along pole setting length direction is all seted up to the both sides face of mounting groove, and the rigid coupling has the fixed axle that inserts two bar holes on the cardboard, all is provided with the clamp plate of sliding connection in the pole setting along the length direction of pole setting in every bar hole, sets up in the bar hole and orders about the clamp plate and move down and support the promotion spring that presses at fixed epaxial.

Through adopting above-mentioned technical scheme for the fixed axle can remove in the bar hole, thereby drive the cardboard and remove, when the stabilizer blade of compressor vibrates from top to bottom, the fixed axle receives the promotion of clamp plate, makes the cardboard can hug closely on the stabilizer blade of compressor, and the cardboard removes along with the vibration of compressor takes place, when reducing the compressor vibration, the stabilizer blade of compressor and the circumstances that the cardboard bumps.

Optionally, the two vertical side surfaces opposite to the strip-shaped hole are provided with slideways, and each slideway is fixedly connected with a guide rod which is arranged along the length direction of the strip-shaped hole and penetrates through the pressing plate.

Through adopting above-mentioned technical scheme for the clamp plate slides along the length direction in bar hole and connects in the pole setting, and the clamp plate supports and leans on the fixed axle more steadily like this.

Optionally, one surface of the pressing plate facing the fixed shaft is processed into an arc surface matched with the circumferential surface of the fixed shaft.

By adopting the technical scheme, the contact area between the pressing plate and the fixed shaft is increased, and the stability of the pressing plate against the fixed shaft is improved.

Optionally, the two ends of the clamping plate are fixedly connected with semicircular connecting plates with curved surfaces deviating from the clamping plate.

Through adopting above-mentioned technical scheme for the cardboard both ends comparatively smooth, when reducing the staff and rotating the cardboard, the condition of by the corner fish tail of cardboard takes place.

Optionally, the end face of the outer cylinder facing the bearing plate is embedded with a plurality of balls contacting with the bearing plate.

By adopting the technical scheme, the friction resistance borne by the outer barrel during horizontal movement is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the bottom plate, the vertical rod, the supporting piece, the vibration reduction spring, the limiting structure, the inner cylinder, the bearing plate, the transverse spring and the outer cylinder, the transverse vibration of the compressor can drive the outer cylinder to horizontally move, so that the transverse spring is driven to deform, the transverse vibration of the compressor is absorbed, and the vibration reduction effect of the vibration reduction device on the compressor is improved;

2. through the mounting groove, the cardboard for when cardboard and pole setting are perpendicular, the cardboard blocks the stabilizer blade of compressor and breaks away from the pole setting, when cardboard and pole setting were laid along same straight line, removed the cardboard to blocking of compressor stabilizer blade.

Drawings

Fig. 1 is a schematic view of the overall structure of a shock absorbing device in an embodiment of the present application.

FIG. 2 is a sectional view of the outer cylinder in the embodiment of the present application.

Figure 3 is a cross-sectional view of a pole in an embodiment of the present application.

Description of reference numerals: 1. a base plate; 2. erecting a rod; 3. a damping spring; 4. a support member; 41. a support plate; 42. an inner barrel; 43. an outer cylinder; 44. a lateral spring; 45. a ball bearing; 5. defining a structure; 51. mounting grooves; 52. clamping a plate; 521. a connecting plate; 53. a fixed shaft; 54. a strip-shaped hole; 55. a slideway; 57. pressing a plate; 58. a guide bar; 59. pushing the spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a vibration reduction device for a refrigeration compressor.

Referring to fig. 1 and 2, a vibration damping device for a refrigeration compressor comprises a circular bottom plate 1 which is horizontally arranged, wherein a plurality of vertical rods 2 are fixedly connected to the bottom plate 1, the number of the vertical rods 2 can be three or four, the number of the vertical rods 2 can be determined according to the number of support legs on the compressor, the number of the vertical rods 2 is four, and the four vertical rods 2 are circumferentially distributed around the axis of the bottom plate 1 at equal intervals; each upright rod 2 is sleeved with a damping spring 3 and a support piece 4, and the support piece 4 is abutted against the upper end of the damping spring 3; the support legs of the compressor are provided with through holes with the diameter larger than that of the end faces of the support rods, and the upper ends of the upright rods 2 penetrate through the support legs of the compressor through the through holes, so that the support legs of the compressor are pressed on the supporting piece 4; the upper end of the upright 2 is provided with a limiting structure 5, which limiting structure 5 is intended to limit the disengagement of the compressor feet from the upper end of the upright 2.

In order to improve the vibration damping effect of the vibration damping device on the transverse vibration of the compressor, the supporting piece 4 comprises a circular supporting plate 41 sleeved on the vertical rod 2, and the lower surface of the supporting plate 41 abuts against the upper end of the vibration damping spring 3; the upper surface of the bearing plate 41 is provided with an inner cylinder 42, the inner cylinder 42 is sleeved on the vertical rod 2, and the lower end of the inner cylinder 42 is fixedly connected on the bearing plate 41; the upper surface of the supporting plate 41 is further provided with an outer cylinder 43, the outer cylinder 43 is sleeved on the inner cylinder 42, the inner diameter of the outer cylinder 43 is larger than the outer diameter of the inner cylinder 42, a plurality of transverse springs 44 are arranged between the inner cylinder 42 and the outer cylinder 43, the transverse springs 44 are distributed around the axis of the vertical rod 2 at equal intervals in a circumferential manner, each transverse spring 44 is arranged along the diameter direction of the end surface of the inner cylinder 42, one end of each transverse spring 44 is fixedly connected to the outer circumferential surface of the inner cylinder 42, the other end of each transverse spring 44 is fixedly connected to the inner circumferential surface of the outer cylinder 43, and when each transverse spring 44 is in a natural state, the outer cylinder 43 and the inner cylinder 42 are coaxially arranged; a plurality of balls 45 are embedded at the lower end of the outer cylinder 43, the balls 45 are distributed circumferentially around the axis of the outer cylinder 43 at equal intervals, each ball 45 is rotatably connected to the outer cylinder 43 around the center of the ball, and the spherical surface of each ball 45 is abutted against the upper surface of the bearing plate 41; the outer cylinder 43 is sleeved with the legs of the compressor and the upper end of the outer cylinder 43 supports the legs of the compressor.

When the transverse vibration generated during the operation of the compressor drives the outer cylinder 43 to move transversely, the transverse spring 44 between the inner cylinder 42 and the outer cylinder 43 compresses or extends, so that the transverse spring 44 absorbs the transverse vibration of the compressor during the deformation process.

Referring to fig. 2 and 3, the limiting structure 5 includes a mounting groove 51 formed in the upper end surface of the vertical rod 2, the mounting groove 51 extends to the circumferential surface of the vertical rod 2, an elongated clamping plate 52 is disposed in the mounting groove 51, two ends of the clamping plate 52 are fixedly connected to semicircular connecting plates 521, and the curved surfaces of the connecting plates 521 depart from the clamping plate 52; wear to be equipped with fixed axle 53 on cardboard 52, fixed axle 53 is located the middle part of cardboard 52 and with cardboard 52 fixed connection, the both ends of fixed axle 53 run through the both sides wall of mounting groove 51 respectively, thereby make cardboard 52 rotate to be connected on pole setting 2, cardboard 52 can carry out whole week and rotate, the width of cardboard 52 is less than the terminal surface diameter of pole setting 2, the length of cardboard 52 is greater than the terminal surface diameter of pole setting 2, when cardboard 52 and pole setting 2 along same straight line arrangement, through-hole on the compressor stabilizer blade can supply cardboard 52 and pole setting 2 to pass, when cardboard 52 and pole setting 2 mutually perpendicular set up, cardboard 52 supports and leans on the upper surface at the compressor stabilizer blade.

When the compressor vibrates, in order to enable the clamping plate 52 to be always tightly abutted against the compressor support leg, strip-shaped holes 54 are formed in two side walls of the mounting groove 51 in a penetrating mode, the strip-shaped holes 54 are distributed along the axis of the vertical rod 2, two ends of the fixing shaft 53 are respectively inserted into the two strip-shaped holes 54, slideways 55 are formed in two opposite vertical side faces of each strip-shaped hole 54, and the slideways 55 are distributed along the length direction of the strip-shaped holes 54; a pressing plate 57 is arranged in the strip-shaped hole 54, two ends of the pressing plate 57 are respectively located in the two slideways 55, a guide rod 58 which is vertically arranged is arranged in each slideway 55, two ends of the guide rod 58 are respectively and fixedly connected to the upper inner wall and the lower inner wall of each slideway 55, the guide rod 58 penetrates through the pressing plate 57, so that the pressing plate 57 is stably and slidably connected into the strip-shaped hole 54, the pressing plate 57 is located above the fixed shaft 53, a pushing spring 59 is arranged between the pressing plate 57 and the upper side wall of the strip-shaped hole 54, the pushing spring 59 is arranged along the length direction of the strip-shaped hole 54, one end of the pushing spring 59 is fixedly connected to the upper side wall of the strip-shaped hole 54, the other end of the pushing spring 59 is fixedly connected to the pressing plate 57, the pushing spring 59 is in a compression state, so that the pressing plate 57 is driven to move downwards and abut against the peripheral surface of the fixed shaft 53, one end of the pressing plate 57, which faces the fixed shaft 53, is an arc surface which is adapted to the peripheral surface of the fixed shaft 53.

The implementation principle of the vibration reduction device for the refrigeration compressor in the embodiment of the application is as follows: when the compressor works, the transverse vibration generated drives the outer cylinder 43 to move horizontally, so that the transverse spring 44 between the inner cylinder 42 and the outer cylinder 43 deforms, the transverse vibration of the compressor is absorbed, and the vibration reduction effect of the vibration reduction device on the compressor is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a vibration damper for compressor which characterized in that: the compressor support leg limiting device comprises a bottom plate (1), wherein a plurality of vertical rods (2) which correspond to compressor support legs in a one-to-one mode are fixedly connected to the bottom plate (1), a supporting piece (4) for supporting the compressor support legs is sleeved on each vertical rod (2), a damping spring (3) is arranged between each supporting piece (4) and the bottom plate (1), and a limiting structure (5) for limiting the support legs of the compressor to be separated from the vertical rods (2) is arranged at the upper end of each vertical rod (2);

the supporting piece (4) comprises an inner cylinder (42) sleeved on the vertical rod (2), a bearing plate (41) fixedly connected to the outer peripheral surface of the inner cylinder (42) and in contact with the damping spring (3), an outer cylinder (43) coaxially arranged with the inner cylinder (42) and abutted against the bearing plate (41), and a transverse spring (44) connected with the inner cylinder (42) and the outer cylinder (43), wherein the outer cylinder (43) is used for being sleeved with a compressor and supporting the compressor.

2. The vibration damping device for a refrigeration compressor according to claim 1, wherein: the limiting structure (5) comprises a mounting groove (51) formed in the upper end of the vertical rod (2), a clamping plate (52) capable of rotating all around is arranged in the mounting groove (51), when the clamping plate (52) is perpendicular to the vertical rod (2), the clamping plate (52) blocks the support legs of the compressor to be separated from the vertical rod (2), and when the clamping plate (52) and the vertical rod (2) are arranged along the same straight line, the blocking of the clamping plate (52) to the support legs of the compressor is removed.

3. The vibration damping device for a refrigeration compressor according to claim 2, wherein: the both sides face of mounting groove (51) all seted up along the bar hole (54) that pole setting (2) length direction laid, the rigid coupling has fixed axle (53) of inserting two bar holes (54) on cardboard (52), and every bar hole (54) all are provided with and slide clamp plate (57) of connecting on pole setting (2) along the length direction of pole setting (2), set up in bar hole (54) and order about clamp plate (57) and move down and support push spring (59) of pressing on fixed axle (53).

4. The vibration damping device for a refrigeration compressor according to claim 3, wherein: the two opposite vertical side surfaces of the strip-shaped hole (54) are provided with slideways (55), and each slideway (55) is fixedly connected with a guide rod (58) which is arranged along the length direction of the strip-shaped hole (54) and penetrates through the pressing plate (57).

5. The vibration damping device for a refrigeration compressor according to claim 4, wherein: one surface of the pressure plate (57) facing the fixed shaft (53) is processed into a cambered surface matched with the circumferential surface of the fixed shaft (53).

6. The vibration damping device for a refrigeration compressor according to claim 2, wherein: and the two ends of the clamping plate (52) are fixedly connected with semicircular connecting plates (521) with curved surfaces deviating from the clamping plate (52).

7. The vibration damping device for a refrigeration compressor according to claim 1, wherein: the end face of the outer cylinder (43) facing the bearing plate (41) is embedded with a plurality of balls (45) contacting with the bearing plate (41).