CN202096499U - Linkage door - Google Patents

Abstract

A linkage door belongs to a door structure and solves the problems that the locking states of the existing one-room two-door have no relation and cause the two doors to open simultaneously, thereby forming cross contamination and affecting the quality of sterilized materials; the linkage door means a feed door of a sealed room and a discharge door opposite to the feed door; a linkage lock is arranged between the feed door and the discharge door; the linkage lock adopts the structure that one end of a transmission rod is arranged at the discharge door and stretches out of the discharge door; the other end of the transmission rod is fixedly connected with one end of a lock seat; the other end of the lock seat is rotatably connected with a lock hook; the lock hook is a hook-shaped body formed by connecting a hook handle and a hook body; one end of a tension spring is fixed on a fixture near the discharge door; the other end of the tension spring hooks the lock hook; a fixed buckle is arranged on the discharge door; and when the lock hook is in a locking state, the hook body hooks the fixed buckle. For the linkage door, when the discharge door is opened, the feed door cannot be opened, the state of the two doors opened at the same time does not occur, thereby meeting the special requirements for keeping clean environment indoors; and the linkage door has simple structure and low cost and is convenient in use.

Description

A kind of linkage door

Technical field

This utility model relates to a kind of structure, and another the lock of open and-shut mode control that refers in particular to a door of a kind of usefulness is opened, the linkage door of locking states.

Background technology

Material is carried out the sterile chamber of high temperature, HIGH PRESSURE TREATMENT, generally require discharge door and feeding gate to separate, material is polluted to avoid sterilizing.

Existing sterile chamber has plenty of and has adopted the Qianmen charging, the two-door structure of back door discharging, but the open and-shut mode at Qianmen and back door does not have cause effect relation; By manual work they are carried out switching separately, the drawback that this structure exists is: when the material sterilization finishes to need discharging, because careless manipulation; Open simultaneously probably for two; Make indoor formation circulation of air, sterilized the sterilization quality of material of the cross-contamination of the material that quickens to have sterilized, influence.

The utility model content

The purpose of this utility model is in order to solve the problem that prior art exists; Provide a kind of simple in structure two-door between with another lock of the open and-shut mode control of a door open, the linkage door structure of locking states; When this linkage door can make discharge door open; Feeding gate automatic blocking can not be opened.

The purpose of this utility model realizes through following technical scheme:

A kind of linkage door, said linkage door be meant the feeding gate of confined chamber and be in the discharge door on feeding gate opposite, and between feeding gate and discharge door, a blocking lock is installed, and the blocking lock structure is:

Drive link; The one of which end is with an outer tube; Installing plate of a side direction tube wall vertical direction extension of outer tube one end, installing plate is in indoor frame face with the doorframe of discharge door and is fixedly connected, and makes drive link one end that is with outer tube expose to the doorframe of discharge door and stretch out outside the doorway;

Lock, the one of which end is fixedly connected with the other end of said drive link, and the lock other end is provided with the lock connecting hole;

Latch hook; By the neck of hook and the conjuncted crozier of forming of coupler body; The lower end of the neck of hook is provided with that latch hook connecting hole, a upper end are provided with a locating hole, the position, middle and lower part is provided with an extension spring hole; The end of coupler body is a hook, and said locating hole is nested with on an alignment pin that is installed on the other fixed body of feeding gate, and latch hook and said lock are to be rotatably connected through the connecting pin that string is located in said latch hook connecting hole and the said lock connecting hole;

Extension spring, an end are fixed on the fixture of nearly feeding gate, and the other end is hooked in the extension spring hole of said latch hook;

Clip is installed on the feeding gate, and the position of installation is the position that the hook in said latch hook coupler body end during in locking states hooks this clip.

Said lock is a rhabodoid.

Said linkage door adopts metal to process.

The beneficial effect of this utility model:

The linkage door of this utility model is owing to adopt the blocking lock structure between discharge door and feeding gate; When discharge door is opened; The feeding gate that is in its opposite can not be opened; Indoorly during discharging can not be in two states of opening simultaneously,, improve the sterilization quality of material to satisfy the specific demand of the indoor environment that keeps clean; In addition, this device also has simple in structure, and cost is low, and characteristics easy to use are suitable for the various places uses two-door, that double window does not need two unlatchings simultaneously that have.

Be above-mentioned purpose, construction features and the effect that further specifies this utility model, below will combine accompanying drawing that this utility model is elaborated.

Description of drawings

Fig. 1 is the structural representation (state of feeding gate locking) of the linkage door of this utility model;

The state that Fig. 2 opens for the charging door lock among Fig. 1;

Fig. 3 is Structure of lock rod figure among Fig. 1;

Fig. 4 is a latch hook structure chart among Fig. 1.

The specific embodiment

Be elaborated below in conjunction with the accompanying drawing of embodiment the specific embodiment to this utility model.

Referring to Fig. 1, the linkage door of this utility model is meant the feeding gate of confined chamber and is in the discharge door on feeding gate opposite, and between feeding gate and discharge door, a blocking lock is installed, and blocking lock comprises:

Drive link 1; The one of which end is with an outer tube 9; Installing plate 91 of a side direction tube wall vertical direction extension of outer tube 9 one ends, installing plate 91 is in indoor frame face with the doorframe 10 of discharge door (not shown) and is fixedly connected, and makes drive link 1 one ends that are with outer tube 9 expose to the doorframe of discharge door and stretch out outside the doorway; When discharge door is closed, can push this drive link 1, drive link 1 is promoted to the direction of feeding gate.

Lock 2, referring to Fig. 3, it is a rhabodoid, and an end is fixedly connected with the other end of said drive link 1, and lock 2 other ends are provided with lock connecting hole 21.

Latch hook 3, referring to Fig. 4, by the neck of hook and the conjuncted crozier of forming of coupler body, the lower end of the neck of hook is provided with that latch hook connecting hole 31, a upper end are provided with a locating hole 33, the position, middle and lower part is provided with an extension spring hole 32, and the end of coupler body is a hook.Said locating hole 33 is nested with on an alignment pin 5 that is installed on the feeding gate 11 other fixed bodies (not shown), with location latch hook 3; Latch hook 3 is through a connecting pin 4 both to be rotatably connected with said lock 2, and these connecting pin 4 strings are located in said latch hook connecting hole 31 and the said lock connecting hole 21.

Extension spring 6, one ends are fixed on the fixture 8 of nearly feeding gate 11, and the other end is hooked in the extension spring hole 32 of latch hook 3.

Clip 7 is installed on the feeding gate 11, and the position of installation is the position that the hook in said latch hook 3 coupler body end during in locking states hooks this clip 7.

All parts all adopt metal to process in this linkage door.

Take the example of this linkage door of use: this linkage door is used in the sterile chamber that material is sterilized; In this sterile chamber, do not allow feeding gate to open during discharging; Lock, latch hook with blocking lock partly is installed on the feeding gate place for this reason, and drive link is controlled by discharge door.Because two-door during the material sterilization all is the state of closing the door that is in, at this moment, discharge door is pushing drive link in the blocking lock; Latch hook is in and breaks away from the clip state (referring to locking the state of opening shown in Fig. 2 dotted line) that is installed in feeding gate, opens in case sterilization finishes discharge door, at this moment; Discharge door breaks away from drive link, and extension spring is replied and made drive link restore nature state, and latch hook falls naturally; Hook the clip (referring to the state of locking shown in Figure 1) on the feeding gate, thus the locking feeding gate.In case discharging is accomplished, and need close discharge door, at this moment; Discharge door pushes drive link 1, and drive link 1 slides to the feeding gate direction in outer tube 9 shown in Fig. 2 arrow, thereby causes lock 2 to move toward the feeding gate direction; Extension spring 6 elongations; Making latch hook 3 is that fulcrum moves toward the top with connecting pin 5, is installed in the clip 7 on the feeding gate thereby break away from, and feeding gate can be opened.In case charging is accomplished, shut two-door, the circulation said process.Therefore this device can guarantee, in case when discharge door was opened, feeding gate must locking; Indoorly during discharging can not be in two states of opening simultaneously; That is, can not form circulation of air and make and indoorly formed cross-contamination through the material of sterilization treatment, thereby improve the sterilization quality of material greatly.

Those of ordinary skill in the art will be appreciated that; Above embodiment only is the purpose that is used for explaining this utility model; And be not with the qualification of doing this utility model; As long as in the essential scope of this utility model, in the scope to the variation of the above embodiment, claim that modification all will drop on this utility model.

Claims (3)

1. linkage door is characterized in that said linkage door is meant the feeding gate of confined chamber and is in the discharge door on feeding gate opposite, and a blocking lock is installed between feeding gate and discharge door, and the blocking lock structure is:

Drive link; The one of which end is with an outer tube; Installing plate of a side direction tube wall vertical direction extension of outer tube one end, installing plate is in indoor frame face with the doorframe of discharge door and is fixedly connected, and makes drive link one end that is with outer tube expose to the doorframe of discharge door and stretch out outside the doorway;

Lock, the one of which end is fixedly connected with the other end of said drive link, and the lock other end is provided with the lock connecting hole;

Latch hook; By the neck of hook and the conjuncted crozier of forming of coupler body; The lower end of the neck of hook is provided with that latch hook connecting hole, a upper end are provided with a locating hole, the position, middle and lower part is provided with an extension spring hole; The end of coupler body is a hook, and said locating hole is nested with on an alignment pin that is installed on the other fixed body of feeding gate, and latch hook and said lock are to be rotatably connected through the connecting pin that string is located in said latch hook connecting hole and the said lock connecting hole;

Extension spring, an end are fixed on the fixture of nearly feeding gate, and the other end is hooked in the extension spring hole of said latch hook;

Clip is installed on the feeding gate, and the position of installation is the position that the hook in said latch hook coupler body end during in locking states hooks this clip.

2. linkage door as claimed in claim 1 is characterized in that:

Said lock is a rhabodoid.

3. linkage door as claimed in claim 1 is characterized in that:

Said linkage door adopts metal to process.

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