CN207960297U - Cold-storage door Self-closing buffer - Google Patents

Cold-storage door Self-closing buffer Download PDF

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Publication number
CN207960297U
CN207960297U CN201820084573.0U CN201820084573U CN207960297U CN 207960297 U CN207960297 U CN 207960297U CN 201820084573 U CN201820084573 U CN 201820084573U CN 207960297 U CN207960297 U CN 207960297U
Authority
CN
China
Prior art keywords
baffle
damper
piston rod
extension spring
cold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201820084573.0U
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Chinese (zh)
Inventor
马光耀
江吉星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Zhongchen Dande Intelligent Equipment Technology Co ltd
Original Assignee
Guangzhou Dan De Automation Science And Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Dan De Automation Science And Technology Ltd filed Critical Guangzhou Dan De Automation Science And Technology Ltd
Priority to CN201820084573.0U priority Critical patent/CN207960297U/en
Application granted granted Critical
Publication of CN207960297U publication Critical patent/CN207960297U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Include the shell mounted on doorframe and the handle mounted on door the utility model discloses cold-storage door Self-closing buffer;Damper is equipped in shell;There is external thread part on the piston rod of damper;Upper cover of piston rod is equipped with baffle, and extension spring is arranged on the piston rod, and one end of extension spring connects with baffle, and the other end of extension spring connects with the fixed part of damper;The front end of piston rod is equipped with U-shaped block;Handle is equipped with spherical portion, and spherical portion is arranged in the groove of U-shaped block;Upper and lower ends in shell are respectively provided with a protruding portion.When door is closed to apart from doorframe a distance and when contacting the utility model, handle pushes U-shaped block, and then compression piston bar, due to compression piston bar during damper release, the retraction speed of piston rod can be reduced, play the role of buffered gate, the external force of hand push at closing time makes baffle extrusion pass through protruding portion, and extension spring is shunk, and baffle is pulled, to drive handle, the closing of door slowly is made under the action of damper.

Description

Cold-storage door Self-closing buffer
Technical field
The utility model is related to cold-storage door engineering device technique fields, and in particular to cold-storage door Self-closing buffer.
Background technology
Cold-storage door is mostly more heavy, when closed Overexertion or under effect of inertia may knocking door case damage it is cold Ku Men, and it is possible that the situation that cold-storage door is not closed completely, causes the waste of the energy.
It can be seen that there is also certain defects for the prior art.
Utility model content
In view of this, in order to solve the problems in the prior art, the utility model proposes cold-storage door Self-closing buffers.
The utility model is solved the above problems by following technological means:
Cold-storage door Self-closing buffer includes the shell on doorframe and handle mounted on a door;
Damper is equipped in the shell;
The piston rod of the damper is equipped with external thread part;
The upper cover of piston rod is equipped with baffle;Extension spring is equipped in the shell, extension spring is arranged on the piston rod, One end of extension spring connects with baffle, and the other end of extension spring connects with the cylinder body of the damper;
The front end of the piston rod is equipped with U-shaped block;
The handle is equipped with spherical portion, and the spherical portion is arranged in the groove of U-shaped block, and spherical portion and groove mistake Cross cooperation;
Upper and lower ends in the shell are respectively provided with a protruding portion, and protruding portion hinders baffle linear movement.
Further, the outer surface of the protruding portion is arc-shaped.Further, the internal thread part that the baffle is equipped with It is threadedly coupled with the external thread part of piston rod.
Further, it is threadedly coupled on the external thread part of the piston rod there are two nut, the baffle is clamped at two Between a nut.
Further, it is set on the baffle there are two hook, one end hanging buckle of extension spring is linked up at two, is realized and is drawn Stretch connecting for spring and baffle.
Further, it is set on the fixed part of the damper there are two hook, the other end hanging buckle of extension spring is at two On hook, realization extension spring connects with the fixed part of damper.
Further, the damper is air damper.
Compared with prior art, the beneficial effects of the utility model are as follows:
When door is closed to apart from doorframe a distance and when contacting the utility model, the spherical portion on handle is arranged in U-shaped In the groove of block, and push U-shaped block, and then compression piston bar, due to compression piston bar during damper slowly release, meeting Reduce the retraction speed of piston rod also reduces the speed of door simultaneously, plays the role of buffered gate, prevents from closing the door and too firmly damage Hinder cold-storage door, in the external force of hand push at closing time with lower baffle plate extrusion by the protruding portion in shell, extension spring is shunk, Baffle is pulled, to drive handle, and makes the closing of door slowly under the action of damper, plays the role of being automatically closed.This Utility model works as a buffer the closing of cold-storage door, prevents cold-storage door from closing Overexertion and damaging cold-storage door, and have self-closing Function can effectively close cold-storage door, avoid being not closed completely and cause energy waste.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Reference sign:
1, shell;2, handle;3, damper;4, piston rod;5, baffle;6, extension spring;7, U-shaped block;8, spherical portion;9、 Groove;10, protruding portion;11, nut;12, it links up with.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with attached drawing and The technical solution of the utility model is described in detail in specific embodiment.It should be pointed out that described embodiment is only Only it is the utility model a part of the embodiment, instead of all the embodiments, is based on the embodiments of the present invention, this field The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to the utility model The range of protection.
It is to be appreciated that the orientation or positional relationship of the instructions such as term " top ", " bottom " is based on ... shown in the drawings Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated dress It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model Limitation.
Term " first ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relatively important Property or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", " second ", " third " feature can To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " one group " is meant that two or more.
Embodiment
As shown in Figure 1, cold-storage door Self-closing buffer, includes the shell 1 on doorframe and handle mounted on a door Hand 2;
Damper 3 is equipped in the shell 1;
The piston rod 4 of the damper 3 is equipped with external thread part;
Baffle 5 is arranged on the piston rod 4;Extension spring 6 is equipped in the shell 1, extension spring 6 is set in piston On bar 4, one end of extension spring 6 connects with baffle 5, and the other end of extension spring 6 connects with the cylinder body of the damper 3;
The front end of the piston rod 4 is equipped with U-shaped block 7;
The handle 2 is equipped with spherical portion 8, and the spherical portion 8 is arranged in the groove 9 of U-shaped block 7, and spherical portion 8 with 9 transition of groove coordinates;
Upper and lower ends in the shell 1 are respectively provided with a protruding portion 10, and protruding portion 10 hinders baffle 5 to move linearly.
When the spherical portion 8 of the handle 2 is fastened in the groove 9 of U-shaped block 7, spherical portion 8 coordinates with 9 transition of groove, handle 2 with the pulling force for being detached from needed for shape block 7 be Fa.Required thrust when 5 extrusion of the baffle is by protruding portion 10 is Fb, Fa>Fb。
The utility model specific works engineering is as follows:
When door is opened from closed state, the spherical portion 8 of handle 2 is fastened in the groove 9 of U-shaped block 7 at this time, freezer sliding door It opens, handle 2 drives U-shaped block 7 to be moved with door, and the groove 9 of U-shaped block 7 pulls piston rod 4 to stretch out and drives baffle 5 that will stretch bullet Spring 6 stretches, and when door moves a distance, the external force when pulling enabling is passed through with 5 extrusion of lower baffle plate in shell 1 Protruding portion 10, when baffle 5 is moved to the right end of shell 1, baffle 5 by shell 1 right side hinder stop motion, U-shaped block 7 with External force of the spherical portion 8 when pulling enabling is detached under, and door continues on.
When door is closed to apart from doorframe a distance and when contacting the utility model, the spherical portion 8 on handle 2 is arranged in U In the groove 9 of shape block 7, and push U-shaped block 7, and then compression piston bar 4, due to compression piston bar 4 during damper 3 it is slow Slow release can reduce the retraction speed of piston rod 4 while also reduce the speed of door, play the role of buffered gate, prevent from closing the door Cold-storage door is too firmly damaged, passes through the protruding portion in shell 1 in 5 extrusion of lower baffle plate of the external force of hand push at closing time 10, extension spring 6 is shunk, and is pulled baffle 5, to drive handle 2, and is made the closing of door slowly under the action of damper 3, and Play the role of being automatically closed.The utility model works as a buffer the closing of cold-storage door, prevents cold-storage door from closing Overexertion And cold-storage door is damaged, and have function of self closing, cold-storage door can be effectively closed, avoids being not closed completely and causes energy waste.
It is arc-shaped as having preferred embodiment, the outer surface of the protruding portion 10.
As there is preferred embodiment, the external thread part screw thread of the internal thread part that the baffle 5 is equipped with and piston rod 4 connects It connects.
As there is a preferred embodiment, it is threadedly coupled that there are two nut 11, the baffles on the external thread part of the piston rod 4 5 are clamped between two nuts 11.Baffle 5 is clamped on 4 a certain fixed position of piston rod by two nuts 11, baffle 5 position on piston rod 4 can arbitrarily be adjusted.
As there is preferred embodiment, set on the baffle 5 there are two hook 12, one end hanging buckle of extension spring 6 is at two On hook 12, realization extension spring 6 connects with baffle 5.Extension spring 6 is facilitated to be dismantled from baffle 5.
As there is preferred embodiment, set on the fixed part of the damper 3 there are two hook 12, extension spring 6 it is another End hanging buckle is linked up at two on 12, and realization extension spring 6 connects with the fixed part of damper 3.Facilitate extension spring 6 from damping It is dismantled on the fixed part of device 3.
It is air damper 3 as having preferred embodiment, the damper 3.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (7)

1. cold-storage door Self-closing buffer, which is characterized in that include the shell on doorframe and handle mounted on a door;
Damper is equipped in the shell;
The piston rod of the damper is equipped with external thread part;
The upper cover of piston rod is equipped with baffle;Extension spring is equipped in the shell, extension spring is arranged on the piston rod, stretches One end of spring connects with baffle, and the other end of extension spring connects with the cylinder body of the damper;
The front end of the piston rod is equipped with U-shaped block;
The handle is equipped with spherical portion, and the spherical portion is arranged in the groove of U-shaped block, and spherical portion is matched with groove transition It closes;
Upper and lower ends in the shell are respectively provided with a protruding portion, and protruding portion hinders baffle linear movement.
2. cold-storage door Self-closing buffer according to claim 1, which is characterized in that the outer surface of the protruding portion is in circle Arc.
3. cold-storage door Self-closing buffer according to claim 1, which is characterized in that the internal thread that the baffle is equipped with Portion is threadedly coupled with the external thread part of piston rod.
4. cold-storage door Self-closing buffer according to claim 3, which is characterized in that on the external thread part of the piston rod It is threadedly coupled there are two nut, the baffle is clamped between two nuts.
5. cold-storage door Self-closing buffer according to claim 1, which is characterized in that hung there are two being set on the baffle One end hanging buckle of hook, extension spring is linked up at two, and realization extension spring connects with baffle.
6. cold-storage door Self-closing buffer according to claim 5, which is characterized in that set on the fixed part of the damper There are two hook, the other end hanging buckle of extension spring is linked up at two, realizes the phase of extension spring and the fixed part of damper It connects.
7. according to claim 1-6 any one of them cold-storage door Self-closing buffers, which is characterized in that the damper is gas Fluctuation dampers.
CN201820084573.0U 2018-01-18 2018-01-18 Cold-storage door Self-closing buffer Withdrawn - After Issue CN207960297U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820084573.0U CN207960297U (en) 2018-01-18 2018-01-18 Cold-storage door Self-closing buffer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820084573.0U CN207960297U (en) 2018-01-18 2018-01-18 Cold-storage door Self-closing buffer

Publications (1)

Publication Number Publication Date
CN207960297U true CN207960297U (en) 2018-10-12

Family

ID=63733978

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820084573.0U Withdrawn - After Issue CN207960297U (en) 2018-01-18 2018-01-18 Cold-storage door Self-closing buffer

Country Status (1)

Country Link
CN (1) CN207960297U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108518147A (en) * 2018-01-18 2018-09-11 广州丹德自动化科技有限公司 Cold-storage door Self-closing buffer
CN112554664A (en) * 2020-12-31 2021-03-26 柳忠洋 Multifunctional electric suction door lock

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108518147A (en) * 2018-01-18 2018-09-11 广州丹德自动化科技有限公司 Cold-storage door Self-closing buffer
CN108518147B (en) * 2018-01-18 2024-01-12 广州中臣丹德智能装备科技有限公司 Self-closing buffer device for cold storage door
CN112554664A (en) * 2020-12-31 2021-03-26 柳忠洋 Multifunctional electric suction door lock

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Ma Guangyao

Inventor after: Jiang Jichang

Inventor before: Ma Guangyao

Inventor before: Jiang Jixing

CB03 Change of inventor or designer information
CP03 Change of name, title or address

Address after: 511495 room 602, No. 93, Hanxing Middle Road, Zhongcun street, Panyu District, Guangzhou City, Guangdong Province

Patentee after: Guangzhou Zhongchen DANDE Intelligent Equipment Technology Co.,Ltd.

Address before: 511400 C26, poly Duhui, Panyu District, Guangzhou City, Guangdong Province

Patentee before: GUANGZHOU DANDE AUTOMATION TECHNOLOGY CO.,LTD.

CP03 Change of name, title or address
AV01 Patent right actively abandoned

Granted publication date: 20181012

Effective date of abandoning: 20240112

AV01 Patent right actively abandoned

Granted publication date: 20181012

Effective date of abandoning: 20240112

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned