CN217151790U

CN217151790U - Lifting type door bottom sealing strip device

Info

Publication number: CN217151790U
Application number: CN202220045592.9U
Authority: CN
Inventors: 夏伟
Original assignee: SHANGHAI OUJIE CLEANROOM TECHNOLOGY CO LTD
Current assignee: SHANGHAI OUJIE CLEANROOM TECHNOLOGY CO LTD
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-08-09
Anticipated expiration: 2032-01-10

Abstract

The utility model relates to a lifting type door bottom sealing strip device, which comprises a first driving part, a second driving part, an adjusting head and a door bottom sealing strip keel; the first driving part comprises a sliding groove, a sliding block and a first spring; the sliding groove is transversely arranged along the bottom of the door leaf, one end of the sliding groove is close to the edge of the door leaf, the other end of the sliding groove is a set distance smaller than the width of the sealing strip from the edge of the door leaf, the sliding block is arranged in the sliding groove, one side of the sliding block corresponds to the adjusting head, the other side of the sliding block is connected with one end of a first spring, and the other end of the first spring is fixed relative to a keel of the sealing strip at the bottom of the door; the second driving part comprises a second spring, one end of the second spring is fixed relative to the door bottom sealing strip keel, the other end of the second spring is fixed relative to the door leaf body, and the second spring has upward reset pulling force for the door bottom sealing strip keel. The utility model designs the keel and the chute structure of the door bottom in a targeted way, reduces the material usage amount and the cost on the premise of ensuring the chute function and the structural strength; the convenience of maintenance is promoted.

Description

Lifting type door bottom sealing strip device

Technical Field

The utility model relates to an over-and-under type door bottom seal strip device belongs to door bottom seal strip technical field.

Background

The general working principle of the existing door leaf with a door bottom sealing strip is as follows: when the door is closed, the adjusting head on the door leaf is transversely extruded when contacting the door frame, and the pressure is transmitted to the sliding block. The slider passes through spring coupling with door bottom sealing strip fossil fragments, and the spring receives to push down door bottom sealing strip fossil fragments after the extrusion, pushes down its one end that is close to the regulation head to ground earlier.

After one end of the near adjusting head is pressed down to touch the ground, the other end is fixed, so that the door bottom sealing strip is forced to have the trend of forming the horizontal state, the whole door bottom sealing strip is contacted with the ground under the continuous action of the spring, and the sealing effect is achieved. When the door is opened, the adjusting head is separated from the door frame, the door bottom sealing strip is lifted to the inside of the door leaf, and the sealing strip is not in friction contact with the ground when the door is opened and closed.

Among the prior art, for the spout that the slider provided the guide effect, transversely cover whole door leaf broad width, but the actual range of motion of slider is only in one section of nearly adjusting head one side in fact, therefore prior art's design has wasted the material, and is also inconvenient when overhauing moreover.

Disclosure of Invention

The utility model aims at providing a sealing strip device at bottom of over-and-under type door carries out the design of pertinence to fossil fragments, the spout structure at the bottom of the door, under the prerequisite of guaranteeing spout function and structural strength, reduces the material use amount, and reduce cost promotes the convenience of overhauing simultaneously.

The utility model adopts the following technical proposal:

a lifting type door bottom sealing strip device comprises a first driving part, a second driving part, an adjusting head 1 and a door bottom sealing strip keel 2; the first driving part comprises a sliding groove 3, a sliding block 5 and a first spring 6; the sliding groove 3 is transversely arranged along the bottom of the door leaf, one end of the sliding groove is close to the edge of the door leaf, the other end of the sliding groove is a set distance which is smaller than the width of the sealing strip from the edge of the door leaf, the sliding block 5 is arranged in the sliding groove 3, one side of the sliding block corresponds to the adjusting head, the other side of the sliding block is connected with one end of the first spring 6, and the other end of the first spring 6 is relatively fixed with the keel 2 of the sealing strip at the bottom of the door; the second driving part comprises a second spring 14, one end of the second spring 14 is fixed relative to the door bottom sealing strip keel 2, the other end of the second spring is fixed relative to the door leaf body, and the second spring 14 has upward reset pulling force for the door bottom sealing strip keel 2.

Preferably, the second driving member includes a supporting member having the same structure as the sliding groove, a fixing block having the same structure as the sliding block is fixedly disposed in the supporting member, and the fixing block is fixedly connected to the other end of the second spring 14.

Further, one end of the second spring 14 is fixedly connected with the spring fixing member 7, and the spring fixing member 7 is fixedly connected with the door bottom sealing strip keel 2.

Preferably, the supporting members are horizontally flush with the sliding groove 3 and are fixed on the keels 4 of the door leaf.

Further, the first spring 6 and the second spring 14 are symmetrical left and right, and the sliding block 5 and the fixed block 5' are also symmetrical left and right.

Further, the sliding groove 3 and the supporting member are formed by stamping.

Preferably, the adjusting head 1 can rotate to adjust the stroke of the sliding block 5.

Furthermore, the stamping forming part is provided with a screw fixing hole for installing the fixing block 5' and a welding positioning hole for welding and fixing with the keel.

The beneficial effects of the utility model reside in that:

1) the keels and the sliding groove structures at the bottom of the door are designed in a targeted mode, the material using amount is reduced on the premise that the sliding groove function and the structural strength are guaranteed, and the cost is reduced.

2) The convenience of maintenance is promoted.

Drawings

Fig. 1 is a schematic view showing that the lifting type door bottom sealing strip device is arranged at the bottom of a door leaf.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is a sectional view of a prior art liftgate weather strip assembly mounted to the bottom of a door leaf for comparison.

Fig. 4 is a schematic structural view of the chute and the support member (both structures may be the same), in which (a) is a front view, (b) is a side view, and (c) is a top view.

Fig. 5 is an enlarged view at B in fig. 1.

Fig. 6 is an enlarged view at C in fig. 1.

In the figure, 1, an adjusting head, 2, a door bottom sealing strip keel, 3, a sliding groove, 4, a keel, 5, a sliding block, 6, a first spring, 7, a spring fixing piece, 8, a door plate bottom flanging, 9, a cover plate bottom flanging, 10, a door leaf, 11, a sliding groove fixing screw, 12, a welding salient point, 13, a foaming sealing strip, 14, a second spring, 15, a fixing block positioning hole, 16, a screw mounting hole, 17, a mounting positioning hole, 18, a sliding way, 19, a fixing screw, 20, a supporting part, 3 ', a sliding groove in a comparative embodiment, 4 ', a keel in a comparative embodiment, and 5 ' a fixing block.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

The first embodiment is as follows:

this embodiment is shown as a comparative example, where the runner 3' is of a length that laterally matches the door bottom seal runner 2, and figure 3 is a cross-sectional view of a portion thereof. This spout 3' is the whole fossil fragments in fact, both can play the effect of spout, plays the effect of supporting whole sealing strip simultaneously. However, the left and right parts of the chute are only a small left part, which can be combined with fig. 1. Under the condition that the structural strength meets the requirements, the structure causes waste on materials, and meanwhile, the maintenance is inconvenient.

Example two:

this embodiment is taken as the preferred embodiment of the present invention.

Referring to fig. 1-2 and 4-6, a lifting type door bottom sealing strip device comprises a first driving part, a second driving part, an adjusting head 1 and a door bottom sealing strip keel 2; the first driving part comprises a sliding groove 3, a sliding block 5 and a first spring 6; the sliding groove 3 is transversely arranged along the bottom of the door leaf, one end of the sliding groove is close to the edge of the door leaf, the other end of the sliding groove is a set distance smaller than the width of the sealing strip, the sliding block 5 is arranged in the sliding groove 3, one side of the sliding block corresponds to the adjusting head, the other side of the sliding block is connected with one end of the first spring 6, and the other end of the first spring 6 is relatively fixed with the keel 2 of the sealing strip at the bottom of the door; the second driving part comprises a second spring 14, one end of the second spring 14 is fixed relative to the door bottom sealing strip keel 2, the other end of the second spring is fixed relative to the door leaf body, and the second spring 14 has upward reset pulling force for the door bottom sealing strip keel 2.

The first driving part mainly plays a role in enabling the door bottom sealing strip keel 2 to drive the foaming sealing strip to move downwards, the second driving part mainly plays a role in enabling the bottom sealing strip keel 2 to reset upwards under the restoring force of the spring, and the basic function belongs to the prior art, so that further description is not provided herein.

In this embodiment, referring to fig. 4 and 6, the second driving member includes a supporting member having the same structure as the sliding groove, a fixed block having the same structure as the sliding block is fixedly disposed in the supporting member, and the fixed block is fixedly connected to the other end of the second spring 14.

In this embodiment, referring to fig. 1 and 6, the second spring 14 is fixedly connected at one end thereof to the spring fixing member 7, and the spring fixing member 7 is fixedly connected to the door sill seal runner 2.

In this embodiment, see fig. 1, the support members are laterally flush with the sliding groove 3 and are each fixed to a keel 4 of the door leaf.

In this embodiment, referring to fig. 1, the first spring 6 and the second spring 14 are symmetrical to each other, and the slider 5 and the fixed block 5' are also symmetrical to each other.

In this embodiment, the sliding groove 3 and the supporting member are formed by stamping.

In this embodiment, the adjustment head 1 is rotatable to adjust the stroke of the slider 5.

In this embodiment, referring to fig. 6, the stamped and formed part is provided with screw fixing holes for mounting the fixing block 5' and welding positioning holes for welding with the keel.

The rotation of the adjusting head can adjust the descending stroke height, and the problem of adjustment when the ground is not flat is solved.

In the manufacturing process, the whole sliding chute (the sliding chute 3 and the supporting part) is divided into two sections, the middle part is removed, and the two sections are respectively fixed on the reinforcing rib of the door leaf. Two sections (the sliding chute 3 and the supporting component) are formed by punching, and the stamping part is provided with a screw fixing hole, a welding positioning hole and the like for one-step forming.

The utility model discloses carry out the design of pertinence to fossil fragments, the spout structure at the bottom of the door, under the prerequisite of ensureing spout function and structural strength, reduce material use amount, reduce cost. The convenience of maintenance is promoted.

The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and these changes or improvements should fall within the scope of the present invention.

Claims

1. The utility model provides a sealing strip device at bottom of over-and-under type door which characterized in that:

comprises a first driving part, a second driving part, an adjusting head (1) and a keel (2) of a sealing strip at the bottom of a door;

the first driving part comprises a sliding groove (3), a sliding block (5) and a first spring (6); the sliding groove (3) is transversely arranged along the bottom of the door leaf, one end of the sliding groove is close to the edge of the door leaf, the other end of the sliding groove is a set distance smaller than the width of the sealing strip from the edge of the door leaf, the sliding block (5) is arranged in the sliding groove (3), one side of the sliding block corresponds to the adjusting head, the other side of the sliding block is connected with one end of the first spring (6), and the other end of the first spring (6) is relatively fixed with the keel (2) of the sealing strip at the bottom of the door;

the second driving part comprises a second spring (14), one end of the second spring (14) is fixed relative to the door bottom sealing strip keel (2), the other end of the second spring is fixed relative to the door leaf body, and the second spring (14) is used for providing upward reset pulling force for the door bottom sealing strip keel (2).

2. The elevating door bottom sealing strip apparatus as set forth in claim 1, wherein: the second driving part comprises a supporting part with the same structure as the sliding groove, a fixed block with the same structure as the sliding block is fixedly arranged in the supporting part, and the fixed block is fixedly connected with the other end of the second spring (14).

3. The elevating door bottom seal strip apparatus as set forth in claim 2, wherein: one end of the second spring (14) is fixedly connected with the spring fixing piece (7), and the spring fixing piece (7) is fixedly connected with the door bottom sealing strip keel (2).

4. The elevating door bottom seal strip apparatus as set forth in claim 2, wherein: the supporting parts are horizontally parallel and level with the sliding grooves (3) and are fixed on keels (4) of the door leaves.

5. The elevating door bottom sealing strip assembly as set forth in claim 2, wherein: the first spring (6) and the second spring (14) are bilaterally symmetrical, and the sliding block (5) and the fixed block (5') are bilaterally symmetrical.

6. The elevating door bottom seal strip apparatus as set forth in claim 2, wherein: the sliding groove (3) and the supporting component are formed by stamping.

7. The elevating door bottom seal strip apparatus as set forth in claim 1, wherein: the adjusting head (1) can rotate and then adjust the stroke of the sliding block (5).

8. The elevating door bottom seal strip apparatus as set forth in claim 6, wherein: and the stamping forming part is provided with a screw fixing hole for installing the fixing block (5') and a welding positioning hole for welding and fixing with the keel.