CN219214863U - Lifting type cat ladder structure for caravan - Google Patents

Abstract

The utility model discloses a lifting type cat ladder structure for a motor home, which belongs to the technical field of motor home and comprises a fixed ladder, wherein the fixed ladder is fixedly connected to the outer wall of the motor home; the sliding ladder is connected in the sliding groove in a sliding way; the lifting assembly comprises a protective cover, a rotating rod, a supporting rod and a connecting shaft, wherein one end of the rotating rod is rotatably connected to the fixed ladder, and one end of the supporting rod is rotatably connected to the sliding ladder.

Description

A lifting ladder structure for a caravan

technical field

The utility model belongs to the technical field of caravans, in particular to an elevating ladder structure for a caravan.

Background technique

A caravan is a vehicle equipped with various home facilities, which can realize a vehicle that integrates "clothing, food, housing, and transportation" and is a product that is convenient for living during travel.

The exterior of the existing caravan generally needs to be provided with a ladder to facilitate users to climb to the roof. However, the existing RV ladders usually adopt a fixed structure and are directly exposed to the outside. The ladder is easily damaged by external impacts, which affects the safety of the ladder, and there is still a certain distance between the bottom of the ladder and the ground, which usually requires additional auxiliary tools or Climbing by stepping on wheels is more dangerous without protection.

Utility model content

The purpose of this utility model is to propose a lift-type ladder structure for RV to solve the problem that the RV ladder usually adopts a fixed structure and is directly exposed to the outside. The ladder is easily damaged by external impacts and affects the safety of the ladder.

In order to achieve the above object, the utility model adopts the following technical solutions:

A lifting ladder structure for a caravan, comprising:

a fixed ladder, the fixed ladder is fixedly connected to the outer wall of the caravan;

Sliding ladder, sliding grooves are provided on both sides of the fixed ladder, and the sliding ladder is slidably connected in the sliding groove;

A lifting assembly, the lifting assembly includes a protective cover, a rotating rod, a supporting rod and a connecting shaft, one end of a plurality of rotating rods is rotatably connected to a fixed ladder, one end of a plurality of supporting rods is rotatably connected to a sliding ladder, and a plurality of The rotating rod is in one-to-one correspondence with the ends of the plurality of supporting rods away from the fixed ladder and the sliding ladder, and is connected to the same connecting shaft in rotation, and a connecting block is rotatably sleeved on the connecting shaft, and the connecting block is fixedly connected to the protective cover superior.

Preferably, a return spring is fixedly connected to the top of the sliding ladder, and the end of the returning spring away from the sliding ladder is fixedly connected to the top of the sliding groove.

Preferably, the return spring is initially in a compressed state, and the elastic action of the return spring on the sliding ladder is the same as the action of gravity on the sliding ladder.

Preferably, the plurality of connecting shafts located on the same side are fixedly connected to the same side baffle on the side away from the middle of the fixed ladder, and the opposite sides of the two side baffles are slidably fitted with the two sides of the protective cover.

Preferably, the bottom end of the sliding ladder is connected with a locking assembly, the locking assembly includes a rotating column, a sliding sleeve, a locking rod and a connecting groove, the rotating column is rotatably connected to the bottom of the sliding ladder, and the bottom end of the rotating column is fixedly connected There is a sliding sleeve, a locking rod is slidably connected in the sliding sleeve, a connecting groove is opened on one side of the bottom of the fixed ladder, and one end of the locking rod is clamped in the connecting groove.

Preferably, the connecting groove is opened on one side of the bottom of the fixed ladder, one end of the locking rod is provided with threads, and the end of the locking rod protruding from the connecting groove is threadedly connected with a fixing bolt.

Compared with the prior art, the utility model has the following beneficial effects:

1. When the sliding ladder is not in use, the utility model locks the sliding ladder on the fixed ladder through the locking assembly. At this time, the protective cover cooperates with two side baffles to form a protective effect on the fixed ladder and the sliding ladder, effectively preventing the fixed ladder from sliding. The ladder is impacted by the outside; when the sliding ladder needs to be used, the locking component can be used to release the locking of the sliding ladder and the fixed ladder, and at the same time, the rotating lock bar can be used as a handle to pull the sliding ladder downward, so that the user can pass through the sliding ladder and the fixed ladder. Get on top of the RV.

2. In the utility model, when the sliding ladder moves downward, the sliding ladder drives a plurality of support rods to move, and finally the protective cover moves outward through the connecting shaft and the connecting block, so that the gap between the protective cover and the fixed ladder is used for climbing the ladder. In the space for personnel to move, the protective cover cooperates with the side baffles on both sides to form a protective effect for the personnel who climb the ladder, which is beneficial to reduce the risk of the climber falling.

Description of drawings

Fig. 1 is the front schematic diagram of the utility model;

Fig. 2 is the structural representation of the utility model;

Fig. 3 is an enlarged schematic diagram of part A in Fig. 2;

Fig. 4 is a structural schematic diagram of the lifting assembly of the present invention.

In the figure: 1 fixed ladder, 2 sliding ladder, 3 protective cover, 4 rotating rod, 5 supporting rod, 6 connecting shaft, 7 side baffle, 8 return spring, 9 rotating column, 10 sliding sleeve, 11 locking rod, 12 connecting slot, 13 fixing bolts.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-4, a lifting ladder structure for a caravan, including:

Fixed ladder 1, fixed ladder 1 is fixedly connected on the outer wall of the RV; sliding ladder 2, there are sliding grooves on both sides of fixed ladder 1, and sliding ladder 2 is slidably connected in the sliding groove; users can pass sliding ladder 2 and fixed ladder 1 Get on top of the RV.

The lifting assembly, the lifting assembly includes a protective cover 3, a rotating rod 4, a support rod 5 and a connecting shaft 6, one end of a plurality of rotating rods 4 is rotatably connected to the fixed ladder 1, and one end of a plurality of support rods 5 is rotatably connected to the sliding ladder 2, A plurality of rotating rods 4 and a plurality of supporting rods 5 are in one-to-one correspondence with one end away from the fixed ladder 1 and the sliding ladder 2 and are rotatably connected to the same connecting shaft 6, and a connecting block is rotatably socketed on the connecting shaft 6, and the connecting block is fixedly connected to the protective cover 3, when the sliding ladder 2 moves downward, it drives a plurality of support rods 5 to move, and the support rod 5 and the end of the rotating rod 4 away from the protective cover 3 approach each other, thereby pushing the connecting shaft 6 and the connecting block to move outward, and then the protective cover 3 The outward movement makes the space between the protective cover 3 and the fixed ladder 1 free for the ladder climbers to act, and forms a protective effect on the ladder climbers, which is beneficial to reduce the risk of the ladder climbers falling.

The top of the slide ladder 2 is fixedly connected with a return spring 8, and one end of the return spring 8 away from the slide ladder 2 is fixedly connected to the top of the slide groove. The received gravitational effect is the same, and the buffering effect is formed on the sliding ladder 2 by the return spring 8, so as to avoid the sliding ladder 2 from being greatly hindered when moving up and down.

A plurality of connecting shafts 6 on the same side are fixedly connected with the same side baffle 7 on one side away from the middle part of the fixed ladder 1, and the opposite sides of the two side baffles 7 are slidably fitted with the gaps on both sides of the protective cover 3. Further protection is formed on both sides of the ladder climber.

The bottom end of the sliding ladder 2 is connected with a locking assembly, and the locking assembly includes a rotating column 9, a sliding sleeve 10, a locking bar 11 and a connecting groove 12. The rotating column 9 is rotatably connected to the bottom of the sliding ladder 2, and the bottom end of the rotating column 9 is fixedly connected with a sliding sleeve. 10. A locking rod 11 is slidably connected in the sliding sleeve 10, and a connecting groove 12 is provided on one side of the bottom of the fixed ladder 1. One end of the locking rod 11 is clamped in the connecting groove 12, and through the clamping of the locking rod 11 and the connecting groove 12, the The locking and unlocking of the sliding ladder 2 and the fixed ladder 1 facilitates the use of the sliding ladder 2.

Connecting groove 12 runs through and is opened on the bottom side of fixed ladder 1, and one end of locking bar 11 is provided with thread, and locking bar 11 stretches out connecting groove 12 and is threadedly connected with fixing bolt 13, improves the stability of locking bar 11 by fixing bolt 13, Further improve the stability of the sliding ladder 2 when it is not used on the fixed ladder 1.

Now the operating principle of the utility model is described as follows:

When needed to use, turn and remove the fixing bolt 13 on the lock bar 11, and pull the lock bar 11 out of the connecting groove 12 along the sliding sleeve 10. At this time, the sliding sleeve 10 and the rotating column 9 can be rotated to release the sliding ladder 2 from the fixed To lock the ladder 1, the rotated lock bar 11 can be used as a handle to pull downwards. Since the elastic effect of the return spring 8 on the sliding ladder 2 is the same as the gravitational effect of the sliding ladder 2, the sliding ladder 2 can be easily moved. Pull it to the bottom end, so that the user can climb on the top of the caravan through the sliding ladder 2 and the fixed ladder 1;

When the sliding ladder 2 moves downward, the sliding ladder 2 drives a plurality of support rods 5 to move, and the support rods 5 and the rotating rods 4 are close to each other, thereby pushing the connecting shaft 6 and the connecting block to move outward, and then the protective cover 3 is moved outward. Movement, the protective cover 3 cooperates with the side baffles 7 on both sides to form a protective effect on the personnel who climb the ladder, which is beneficial to reduce the risk of the ladder climber falling.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A over-and-under type cat ladder structure for car as a house, its characterized in that includes:

the fixed ladder (1), the fixed ladder (1) is fixedly connected to the outer wall of the caravan;

the sliding ladder (2) is arranged on two sides of the fixed ladder (1), and the sliding ladder (2) is connected in the sliding groove in a sliding way;

lifting assembly, lifting assembly includes protection casing (3), dwang (4), bracing piece (5) and connecting axle (6), a plurality of dwang (4) one end rotates to be connected on fixed ladder (1), and is a plurality of bracing piece (5) one end rotates to be connected on slide ladder (2), a plurality of dwang (4) with a plurality of bracing piece (5) are kept away from fixed ladder (1) and slide ladder (2) one end one-to-one and are rotated and are connected with same connecting axle (6), the connecting block has been cup jointed in the rotation on connecting axle (6), connecting block fixed connection is on protection casing (3).

2. The lifting type cat ladder structure for a motor home according to claim 1, wherein:

the sliding ladder is characterized in that a reset spring (8) is fixedly connected to the top of the sliding ladder (2), and one end, far away from the sliding ladder (2), of the reset spring (8) is fixedly connected to the top in the sliding groove.

3. The elevating ladder stand structure for a motor home according to claim 2, wherein:

the return spring (8) is in a compression state initially, and the elastic action of the return spring (8) on the sliding ladder (2) is the same as the gravity action of the sliding ladder (2).

4. The lifting type cat ladder structure for a motor home according to claim 1, wherein:

the connecting shafts (6) located on the same side are fixedly connected with the same side baffle (7) on one side far away from the middle of the fixed ladder (1), and two opposite sides of the side baffle (7) are in clearance sliding fit with two sides of the protective cover (3).

5. The lifting type cat ladder structure for a motor home according to claim 1, wherein:

the locking assembly comprises a rotating column (9), a sliding sleeve (10), a lock rod (11) and a connecting groove (12), wherein the rotating column (9) is rotationally connected to the bottom of the sliding ladder (2), the sliding sleeve (10) is fixedly connected to the bottom of the rotating column (9), the lock rod (11) is slidably connected to the sliding sleeve (10), the connecting groove (12) is formed in one side of the bottom of the fixed ladder (1), and one end of the lock rod (11) is clamped in the connecting groove (12).

6. The lift-type cat ladder structure for a motor home according to claim 5, wherein:

the connecting groove (12) is formed in one side of the bottom of the fixed ladder (1) in a penetrating mode, threads are formed in one end of the lock rod (11), and a fixing bolt (13) is connected to one end of the lock rod (11) extending out of the connecting groove (12) in a threaded mode.

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