阅读说明：本技术 一种轨道交通用密封锁具 (Sealed lock for rail transit ) 是由 尹迪 刘伟 刘文叶 万慧荣 岳永海 于 2020-12-28 设计创作，主要内容包括：本发明涉及轨道交通设备技术领域,尤其是一种轨道交通用密封锁具,包括安装在裙板上的锁头,所述锁头和裙板之间设置有锁头垫圈,所述锁头连接有锁芯,所述锁芯位于裙板的另一侧,所述锁芯的尾端连接有锁舌安装螺柱,所述锁舌安装螺柱上连接有防尘套,所述防尘套与裙板之间设置有密封平垫圈,防尘套上套接有弹性密封圈,弹性密封圈与密封平垫圈连接,锁舌安装螺柱上套接有两个防尘套限位螺母,两个防尘套限位螺母分别位于防尘套的内侧和外侧,防尘套为碗型结构,防尘套底面开有与锁舌安装螺柱相匹配的孔,防尘套侧壁上端有与底面平行的翻边,依靠密封平垫圈和防尘套来保证锁芯不受外部泥沙与可能对锁造成破坏液体的腐蚀,保证锁具的可靠性。(The invention relates to the technical field of rail transit equipment, in particular to a sealed lockset for rail transit, which comprises a lock head arranged on an apron board, wherein a lock head gasket is arranged between the lock head and the apron board, the lock head is connected with a lock core, the lock core is positioned at the other side of the apron board, the tail end of the lock core is connected with a lock tongue mounting stud, a dustproof sleeve is connected on the lock tongue mounting stud, a sealing flat gasket is arranged between the dustproof sleeve and the apron board, an elastic sealing ring is sleeved on the dustproof sleeve and connected with the sealing flat gasket, two dustproof sleeve limiting nuts are sleeved on the lock tongue mounting stud and respectively positioned at the inner side and the outer side of the dustproof sleeve, the dustproof sleeve is of a bowl-shaped structure, a hole matched with the lock tongue mounting stud is formed in the bottom surface of the dustproof sleeve, a flanging parallel to the bottom surface is formed at the upper end of the side wall of the dustproof sleeve, the lock core is prevented from being, the reliability of the lockset is ensured.)

1. The utility model provides a sealed tool to lock is used in track traffic which characterized in that: the lock comprises a lock head arranged on an apron board, a lock head gasket is arranged between the lock head and the apron board, the lock head is connected with a lock core, the lock core is positioned on the other side of the apron board, the tail end of the lock core is connected with a lock tongue mounting stud, a dustproof sleeve is connected onto the lock tongue mounting stud, and a sealing flat gasket is arranged between the dustproof sleeve and the apron board.

2. The sealed lock for rail transit of claim 1, wherein: the top of the dustproof sleeve is sleeved with an elastic sealing ring, and the elastic sealing ring is in contact connection with the sealing flat gasket.

3. The sealed lock for rail transit of claim 2, wherein: the dustproof cover is of a bowl-shaped structure, a hole matched with the bolt mounting stud is formed in the bottom surface of the dustproof cover, a turned edge parallel to the bottom surface is formed in the upper end of the side wall of the dustproof cover, and the elastic sealing ring is located on the turned edge.

4. The sealed lock for rail transit of claim 2, wherein: the elastic sealing ring comprises a fixing layer and an elastic sealing layer, the fixing layer is U-shaped, the shape and the size of the fixing layer are matched with the flanging of the dustproof sleeve, the elastic sealing layer is semicircular, the diameter of the semicircle is equal to the length of the long edge of the fixing layer, and one end of the fixing layer is connected with one end of the elastic sealing layer.

5. The sealed lock for rail transit of claim 2, wherein: and a first sealing layer is arranged between the elastic sealing ring and the sealing flat gasket.

6. The sealed lock for rail transit of claim 2, wherein: two dustproof sleeve limiting nuts are further sleeved on the lock tongue mounting stud and are respectively located on the inner side and the outer side of the dustproof sleeve.

7. The sealed lock for rail transit of claim 1, wherein: and a second sealing layer is arranged on the contact surface of the dustproof sleeve and the bolt mounting stud.

8. The sealed lock for rail transit of claim 7, wherein: and a third sealing layer is arranged on the contact surface of the lock cylinder and the sealing flat gasket.

Technical Field

The invention relates to the technical field of rail transit equipment, in particular to a sealing lockset for rail transit.

Background

The rotary compression lock used on the rail transit cabin door or the apron board cannot have long-acting sealing performance, and under severe environment, outside silt liquid can enter the inner side of the apron board from a seam between the apron board and the apron board to corrode the lock cylinder, so that the lock cylinder fails, the cabin door or the apron board cannot be opened, the normal use operation of rail transit is influenced, and even serious accidents are caused.

Disclosure of Invention

The purpose of the invention is: the defects in the prior art are overcome, and the sealing lockset for the rail transit is provided.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a sealed tool to lock for track traffic, is including installing the tapered end on the skirtboard, be provided with the tapered end packing ring between tapered end and the skirtboard, the tapered end is connected with the lock core, the lock core is located the opposite side of skirtboard, the trailing end connection of lock core has spring bolt installation double-screw bolt, be connected with the dirt proof boot on the spring bolt installation double-screw bolt, be provided with sealed plain washer between dirt proof boot and the skirtboard.

Furthermore, the top of the dustproof sleeve is sleeved with an elastic sealing ring, and the elastic sealing ring is in contact connection with the sealing flat gasket.

Furthermore, the dust cover is of a bowl-shaped structure, a hole matched with the bolt mounting stud is formed in the bottom surface of the dust cover, a turned edge parallel to the bottom surface is formed in the upper end of the side wall of the dust cover, and the elastic sealing ring is located on the turned edge.

Furthermore, the elastic sealing ring comprises a fixing layer and an elastic sealing layer, the fixing layer is U-shaped, the shape and the size of the fixing layer are matched with the flanging of the dustproof sleeve, the elastic sealing layer is semicircular, the diameter of the semicircle is equal to the length of the long edge of the fixing layer, and one end of the fixing layer is connected with one end of the elastic sealing layer.

Furthermore, a first sealing layer is arranged between the elastic sealing ring and the sealing flat gasket.

Furthermore, two dustproof sleeve limiting nuts are further sleeved on the bolt mounting stud, and the two dustproof sleeve limiting nuts are respectively located on the inner side and the outer side of the dustproof sleeve.

And furthermore, a sealing layer II is arranged on the contact surface of the dustproof sleeve and the bolt mounting stud.

Furthermore, a third sealing layer is arranged on the contact surface of the lock cylinder and the sealing flat gasket.

The technical scheme adopted by the invention has the beneficial effects that:

1. the lock core is prevented from being corroded by external silt and damage liquid possibly caused to the lock by the sealing flat washer and the dustproof sleeve, and the reliability of the lock is guaranteed.

2. The dustproof sleeve limiting nut enables the lockset to be installed on plates with different thicknesses under the condition that the sealing performance is guaranteed not to be reduced.

3. The dustproof sleeve with the bowl-shaped structure can protect the lock cylinder from erosion of silt and corrosion of liquid in all directions.

4. The sealing grease is coated on the joint, and the sealant is coated on the thread, so that the sealing performance can be further improved, and the lock cylinder is protected from erosion of external silt and corrosion of liquid.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein

FIG. 1 is a cross-sectional view of a portion of the components of the present invention.

1-a lock head 2-a lock core 3-a bolt mounting stud 4-a lock head gasket 5-a sealing flat gasket 6-an elastic sealing ring 7-a dustproof sleeve 8-a dustproof sleeve limit nut 9-a bolt 10-a bolt limit nut 11-an apron board.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention. The present invention is described in detail by using schematic structural diagrams and the like, which are only examples and should not limit the protection scope of the present invention. In addition, the actual fabrication process should include three-dimensional space of length, width and depth.

The utility model provides a sealed tool to lock for track traffic, is including installing tapered end 1 on skirtboard 11, be provided with tapered end packing ring 4 between tapered end 1 and the skirtboard 11, tapered end 1 is connected with lock core 2, lock core 2 is located the opposite side of skirtboard 11, the trailing end connection of lock core 2 has spring bolt mounting stud 3, be connected with dirt proof boot 7 on the spring bolt mounting stud 3, be provided with sealed plain washer 5 between dirt proof boot 7 and the skirtboard 11, tapered end packing ring 4 can prevent that silt and corrosive liquids from getting into the skirtboard 11 inboardly from tapered end 1 and skirtboard 11, and sealed plain washer 5 and dirt proof boot 7 can prevent that silt and corrosive liquids from corroding lock core 2, promote the reliability of tool to lock under abominable operating mode.

Elastic sealing ring 6 is sleeved at the top of dustproof cover 7, elastic sealing ring 6 is in contact connection with sealing flat gasket 5, and elastic sealing ring 6 is added between sealing flat gasket 5 and dustproof cover 7, so that better sealing performance can be realized at lower cost. The dustproof sleeve 7 is of a bowl-shaped structure, a hole matched with the bolt mounting stud 3 is formed in the bottom surface of the dustproof sleeve 7, a turned edge parallel to the bottom surface is formed in the upper end of the side wall of the dustproof sleeve 7, and the elastic sealing ring 6 is located on the turned edge. The elastic sealing ring 6 comprises a fixing layer and an elastic sealing layer, the fixing layer is U-shaped, the shape and the size of the fixing layer are matched with the turned-over edge of the dustproof sleeve 7, the elastic sealing layer is semicircular, the diameter of the semicircle is equal to the length of the long edge of the fixing layer, and one end of the fixing layer is connected with one end of the elastic sealing layer. The dirt proof boot 7 of bowl type can carry out comprehensive protection to lock core 2, and the fixed bed of U type makes elastic seal ring 6 can cup joint on dirt proof boot 7, and semicircular elastic seal layer can realize better protection effect, and during the installation, adjustment dirt proof boot stop nut 8 for elastic seal ring 6 and 5 contacts of sealed plain washer and make elastic seal ring 6 receive the extrusion production and warp, and semicircular elastic seal layer is pressed into non-semicircular can.

And a first sealing layer is arranged between the elastic sealing ring 6 and the sealing flat gasket 5, and the first sealing layer can be a sealant or an oil film, so that the sealing performance is further improved. Two dustproof sleeve limiting nuts 8 are further sleeved on the bolt mounting stud 3, the two dustproof sleeve limiting nuts 8 are respectively located on the inner side and the outer side of the dustproof sleeve 7, and the distance from the bolt 9 to the lock head 1 can be adjusted by adjusting the bolt limiting nut 10 so as to adapt to different mounting environments. And a sealing layer II is arranged on the contact surface of the dustproof sleeve 7 and the bolt mounting stud 3, and the sealing layer I can be thread glue, so that the sealing performance is further improved. And a third sealing layer is arranged on the contact surface of the lock cylinder 2 and the sealing flat gasket 5, and the first sealing layer can be thread rubber, so that the sealing performance is further improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.